Short Range Devices (SRD) - Ground- and Wall- Probing Radio determination (GPR/WPR) devices - Harmonised Standard for access to radio spectrum

The present document specifies the requirements for Ground- and Wall- Probing Radar imaging systems applications.
Ground Probing Radars (GPR) and Wall Probing Radars (WPR) are used in survey and detection applications.These do
not include radars operated from aircraft or spacecraft.
The present document applies to:
1) Ground Probing Radars (GPR) operating in the frequency range 30 MHz to 12,4 GHz radiating directly
downwards into the ground.
2) Wall Probing Radars (WPR) operating in the frequency range 30 MHz to 12,4 GHz radiating directly into a
"wall". The "wall" is a building material structure, the side of a bridge, the wall of a mine or another physical
structure that absorbs a significant part of the signal transmitted by the radar.
These equipment can either:
1) be fitted with integral antennas and without antenna connector; or
2) use different imaging heads (antennas) with an antenna connector, to allow operation at different operating
bandwidths frequencies.
NOTE 1: Equipment covered by the present document operates in accordance with ECC/DEC(06)08 [i.2].

Naprave kratkega dosega (SRD) - Naprave za radijsko sondiranje tal in zidov (GPR/WPR) - Harmonizirani standard za dostop do radijskega spektra

General Information

Status
Published
Public Enquiry End Date
14-Jul-2019
Publication Date
23-Jun-2020
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
15-Jun-2020
Due Date
20-Aug-2020
Completion Date
24-Jun-2020

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SLOVENSKI STANDARD
SIST EN 302 066 V2.2.1:2020
01-september-2020
Naprave kratkega dosega (SRD) - Naprave za radijsko sondiranje tal in zidov
(GPR/WPR) - Harmonizirani standard za dostop do radijskega spektra
Short Range Devices (SRD) - Ground- and Wall- Probing Radio determination
(GPR/WPR) devices - Harmonised Standard for access to radio spectrum
Ta slovenski standard je istoveten z: ETSI EN 302 066 V2.2.1 (2020-06)
ICS:
33.060.99 Druga oprema za radijske Other equipment for
komunikacije radiocommunications
SIST EN 302 066 V2.2.1:2020 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN 302 066 V2.2.1:2020
---------------------- Page: 2 ----------------------
SIST EN 302 066 V2.2.1:2020
ETSI EN 302 066 V2.2.1 (2020-06)
HARMONISED EUROPEAN STANDARD
Short Range Devices (SRD);
Ground- and Wall- Probing Radio
determination (GPR/WPR) devices;
Harmonised Standard for access to radio spectrum
---------------------- Page: 3 ----------------------
SIST EN 302 066 V2.2.1:2020
2 ETSI EN 302 066 V2.2.1 (2020-06)
Reference
REN/ERM-TGUWB-146
Keywords
harmonised standard, radio, SRD, testing, UWB
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE
Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16
Siret N° 348 623 562 00017 - NAF 742 C
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88
Important notice
The present document can be downloaded from:
http://www.etsi.org/standards-search

The present document may be made available in electronic versions and/or in print. The content of any electronic and/or

print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any

existing or perceived difference in contents between such versions and/or in print, the prevailing version of an ETSI

deliverable is the one made publicly available in PDF format at www.etsi.org/deliver.

Users of the present document should be aware that the document may be subject to revision or change of status.

Information on the current status of this and other ETSI documents is available at

https://portal.etsi.org/TB/ETSIDeliverableStatus.aspx

If you find errors in the present document, please send your comment to one of the following services:

https://portal.etsi.org/People/CommiteeSupportStaff.aspx
Copyright Notification

No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying

and microfilm except as authorized by written permission of ETSI.

The content of the PDF version shall not be modified without the written authorization of ETSI.

The copyright and the foregoing restriction extend to reproduction in all media.
© ETSI 2020.
All rights reserved.

DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its Members.

3GPP™ and LTE™ are trademarks of ETSI registered for the benefit of its Members and

of the 3GPP Organizational Partners.

oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and

of the oneM2M Partners.
GSM and the GSM logo are trademarks registered and owned by the GSM Association.
ETSI
---------------------- Page: 4 ----------------------
SIST EN 302 066 V2.2.1:2020
3 ETSI EN 302 066 V2.2.1 (2020-06)
Contents

Intellectual Property Rights ................................................................................................................................ 5

Foreword ............................................................................................................................................................. 5

Modal verbs terminology .................................................................................................................................... 5

Introduction ........................................................................................................................................................ 6

1 Scope ........................................................................................................................................................ 7

2 References ................................................................................................................................................ 7

2.1 Normative references ......................................................................................................................................... 7

2.2 Informative references ........................................................................................................................................ 8

3 Definition of terms, symbols and abbreviations ....................................................................................... 8

3.1 Terms .................................................................................................................................................................. 8

3.2 Symbols .............................................................................................................................................................. 9

3.3 Abbreviations ..................................................................................................................................................... 9

4 Technical requirements specifications ..................................................................................................... 9

4.1 Environmental conditions ................................................................................................................................... 9

4.2 General ............................................................................................................................................................... 9

4.3 Transmitter Conformance Requirements .......................................................................................................... 10

4.3.1 Operating Bandwidth .................................................................................................................................. 10

4.3.1.1 Applicability.......................................................................................................................................... 10

4.3.1.2 Definition .............................................................................................................................................. 10

4.3.1.3 Limits .................................................................................................................................................... 10

4.3.1.4 Conformance ......................................................................................................................................... 10

4.3.2 Maximum value of mean power spectral density ....................................................................................... 10

4.3.3 Maximum value of peak power .................................................................................................................. 10

4.3.4 All undesired emissions .............................................................................................................................. 10

4.3.4.1 Applicability.......................................................................................................................................... 10

4.3.4.2 Definition .............................................................................................................................................. 11

4.3.4.3 Limits .................................................................................................................................................... 11

4.3.4.4 Conformance ......................................................................................................................................... 11

4.3.5 Other Emissions .......................................................................................................................................... 11

4.3.6 Transmitter unwanted emissions ................................................................................................................. 11

4.4 Receiver Conformance Requirements .............................................................................................................. 11

4.4.1 General ........................................................................................................................................................ 11

4.4.2 Receiver spurious emissions ....................................................................................................................... 11

4.4.3 Receiver dynamic range (sensitivity) for GPR/WPR .................................................................................. 11

4.4.3.1 Applicability.......................................................................................................................................... 11

4.4.3.2 Definition .............................................................................................................................................. 12

4.4.3.3 Limits .................................................................................................................................................... 12

4.4.3.4 Conformance ......................................................................................................................................... 12

4.4.4 Receiver blocking for GPR/WPR ............................................................................................................... 12

4.4.4.1 Applicability.......................................................................................................................................... 12

4.4.4.2 Description ............................................................................................................................................ 12

4.4.4.3 Limits .................................................................................................................................................... 12

4.4.4.4 Conformance ......................................................................................................................................... 12

4.5 Other Requirements and Mitigation techniques ............................................................................................... 12

4.5.1 Deactivation mechanism ............................................................................................................................. 12

4.5.1.1 Applicability.......................................................................................................................................... 12

4.5.1.2 Description ............................................................................................................................................ 13

4.5.1.3 Limits .................................................................................................................................................... 13

4.5.1.4 Conformance ......................................................................................................................................... 13

5 Testing for compliance with technical requirements .............................................................................. 13

5.1 Environmental conditions for testing ............................................................................................................... 13

5.2 General conditions for testing .......................................................................................................................... 13

6 Conformance test suites.......................................................................................................................... 13

6.1 Test setup.......................................................................................................................................................... 13

ETSI
---------------------- Page: 5 ----------------------
SIST EN 302 066 V2.2.1:2020
4 ETSI EN 302 066 V2.2.1 (2020-06)

6.1.1 Setup description for small GPR/WPR ....................................................................................................... 13

6.1.2 Setup description for large GPR/WPR........................................................................................................ 14

6.2 Conformance methods of measurement for transmitter ................................................................................... 16

6.2.1 General ........................................................................................................................................................ 16

6.2.2 Operating Bandwidth(s) .............................................................................................................................. 16

6.2.3 Mean power spectral density measurements ............................................................................................... 16

6.2.4 Peak power measurements .......................................................................................................................... 17

6.2.5 All undesired emissions measurement ........................................................................................................ 17

6.2.6 Other emissions .......................................................................................................................................... 18

6.2.7 Transmitter unwanted emissions ................................................................................................................. 18

6.3 Conformance methods of measurement for receiver ........................................................................................ 18

6.3.1 Receiver spurious emissions ....................................................................................................................... 18

6.3.2 Receiver dynamic range (sensitivity) and blocking .................................................................................... 18

6.3.2.0 General .................................................................................................................................................. 18

6.3.2.1 Test scenario ......................................................................................................................................... 18

6.3.2.2 Interferer test frequencies and interferer power levels .......................................................................... 19

6.3.2.3 Measurement of the maximum signal M for the receiver ..................................................................... 20

6.3.2.4 Measurement of the noise level N with the interferer deactivated ........................................................ 20

6.3.2.5 Measurement of the received signal I with the interferer activated ....................................................... 20

6.3.2.6 Calculation of D1 .................................................................................................................................. 20

6.3.2.7 Calculation of D2 .................................................................................................................................. 20

6.4 Other test suites ................................................................................................................................................ 20

6.4.1 Deactivation mechanism ............................................................................................................................. 20

Annex A (informative): Relationship between the present document and the essential

requirements of Directive 2014/53/EU ......................................................... 21

Annex B (normative): Deactivation mechanism ................................................................................ 22

Annex C (normative): Calculation of the Mean Power Density....................................................... 23

C.0 General ................................................................................................................................................... 23

C.1 Measurement of τ, transmit pulse width................................................................................................. 24

C.1.0 Introduction ...................................................................................................................................................... 24

C.1.1 Time domain .................................................................................................................................................... 24

C.1.2 Frequency domain ............................................................................................................................................ 25

Annex D (normative): Receiver parameters for GPR/WPR ............................................................ 26

D.0 General ................................................................................................................................................... 26

D.1 Resilience of GPR/WPR receiver against interferences ......................................................................... 26

D.1.0 Introduction ...................................................................................................................................................... 26

D.1.1 Maximum signal M for the RX in the linear region of operation ..................................................................... 27

D.1.2 Noise level N for the RX in the linear region of operation ............................................................................... 27

D.1.3 Signal I recorded in presence of the interferer.................................................................................................. 27

D.2 Performance criteria for GPR/WPR ....................................................................................................... 28

D.3 Justification for missing RX requirements from ETSI EG 203 336 ....................................................... 29

Annex E (normative): Characteristics of the sand for the conformance test suites ....................... 30

E.1 General ................................................................................................................................................... 30

E.2 Physical characteristics of the sand for the test setup ............................................................................. 30

E.3 Verification of the humidy content of the sand ...................................................................................... 30

Annex F (informative): Bibliography ................................................................................................... 31

Annex G (informative): Change History .............................................................................................. 32

History .............................................................................................................................................................. 33

ETSI
---------------------- Page: 6 ----------------------
SIST EN 302 066 V2.2.1:2020
5 ETSI EN 302 066 V2.2.1 (2020-06)
Intellectual Property Rights
Essential patents

IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information

pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found

in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in

respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web

server (https://ipr.etsi.org/).

Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee

can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web

server) which are, or may be, or may become, essential to the present document.
Trademarks

The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.

ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no

right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does

not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.

Foreword

This Harmonised European Standard (EN) has been produced by ETSI Technical Committee Electromagnetic

compatibility and Radio spectrum Matters (ERM).

The present document has been prepared under the Commission's standardisation request C(2015) 5376 final [i.5] to

provide one voluntary means of conforming to the essential requirements of Directive 2014/53/EU on the harmonisation

of the laws of the Member States relating to the making available on the market of radio equipment and repealing

Directive 1999/5/EC [i.1].

Once the present document is cited in the Official Journal of the European Union under that Directive, compliance with

the normative clauses of the present document given in table A.1 confers, within the limits of the scope of the present

document, a presumption of conformity with the corresponding essential requirements of that Directive and associated

EFTA regulations.
National transposition dates
Date of adoption of this EN: 9 June 2020
Date of latest announcement of this EN (doa): 30 September 2020
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 31 March 2021
Date of withdrawal of any conflicting National Standard (dow): 31 March 2022
Modal verbs terminology

In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and

"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of

provisions).

"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.

ETSI
---------------------- Page: 7 ----------------------
SIST EN 302 066 V2.2.1:2020
6 ETSI EN 302 066 V2.2.1 (2020-06)
Introduction

GPR and WPR radars are imaging systems designed to operate while in contact with, or in close proximity to the

ground or the wall, and their emissions are directed into the ground or wall (e.g. measured by a proximity sensor or

imposed by the mechanical design).

The GPR/WPR applications in the present document are not intended for communications purposes, and the intended

signal is not radiated into free space. The emissions into the air resulting from the operation of GPR/WPR imaging

systems are defined as those emissions radiated in all directions above the ground from the GPR/WPR equipment,

including direct emissions from the housing/structure of the equipment and emissions reflected or passing through the

media under inspection (referred in ECC/DEC/(06)08 [i.2] and in the present document as "undesired emissions"); they

are therefore dependent on the operational conditions and are meaningful only if the GPR/WPR are coupled with the

material being investigated. Figure 1 shows the scenario to be considered for the emissions radiated into the air by

GPR/WPR.
Figure 1: Hatched area around the GPR/WPR shows the emissions
to be considered in this clause
ETSI
---------------------- Page: 8 ----------------------
SIST EN 302 066 V2.2.1:2020
7 ETSI EN 302 066 V2.2.1 (2020-06)
1 Scope

The present document specifies the requirements for Ground- and Wall- Probing Radar imaging systems applications.

Ground Probing Radars (GPR) and Wall Probing Radars (WPR) are used in survey and detection applications.These do

not include radars operated from aircraft or spacecraft.
The present document applies to:

1) Ground Probing Radars (GPR) operating in the frequency range 30 MHz to 12,4 GHz radiating directly

downwards into the ground.

2) Wall Probing Radars (WPR) operating in the frequency range 30 MHz to 12,4 GHz radiating directly into a

"wall". The "wall" is a building material structure, the side of a bridge, the wall of a mine or another physical

structure that absorbs a significant part of the signal transmitted by the radar.

These equipment can either:
1) be fitted with integral antennas and without antenna connector; or

2) use different imaging heads (antennas) with an antenna connector, to allow operation at different operating

bandwidths frequencies.

NOTE 1: Equipment covered by the present document operates in accordance with ECC/DEC(06)08 [i.2].

These radio equipment types are capable of operating in all or part of the frequency bands given in table 1.

Table 1: Permitted ranges of operation
Permitted range of operation
Transmit 30 MHz to 12,4 GHz
Receive 30 MHz to 12,4 GHz
NOTE 1: Limits in table 2, clause 4.3.4 are to be met.

NOTE 2: The frequency usage conditions for GPR/WPR are not fully harmonised in the

EU and CEPT. Some National Regulatory Authorities (NRAs) may not have a
general frequency allocation for GPR/WPT and may have established individual
licensing requirements (e.g. registration of the user). Annex 2 of
ECC/DEC/(06)08 [i.2] gives some guidance to administrations.

NOTE 2: The relationship between the present document and essential requirements of article 3.2 of Directive

2014/53/EU [i.1] is given in annex A.
2 References
2.1 Normative references

References are specific, identified by date of publication and/or edition number or version number. Only the cited

version applies.

Referenced documents which are not found to be publicly available in the expected location might be found at

https://docbox.etsi.org/Reference/.

NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee

their long term validity.

The following referenced documents are necessary for the application of the present document.

[1] ETSI EN 303 883 (V1.1.1) (09-2016): "Short Range Devices (SRD) using Ultra Wide Band

(UWB); Measurement Techniques".
ETSI
---------------------- Page: 9 ----------------------
SIST EN 302 066 V2.2.1:2020
8 ETSI EN 302 066 V2.2.1 (2020-06)

[2] ETSI TS 103 361 (V1.1.1) (03-2016): "Short Range Devices (SRD) using Ultra Wide Band

technology (UWB); Receiver technical requirements, parameters and measurement procedures to

fulfil the requirements of the Directive 2014/53/EU".

[3] CENELEC EN 55016-1-1 (March 2010 + A1 October 2010 + A2 September 2014): "Specification

for radio disturbance and immunity measuring apparatus and methods; Part 1-1: Radio disturbance

and immunity measuring apparatus - Measuring apparatus".
2.2 Informative references

References are either specific (identified by date of publication and/or edition number or version number) or

non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the

referenced document (including any amendments) applies.

NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee

their long term validity.

The following referenced documents are not necessary for the application of the present document but they assist the

user with regard to a particular subject area.

[i.1] Directive 2014/53/EU of the European Parliament and of the council of 16 April 2014 on the

harmonisation of the laws of the Member States relating to the making available on the market of

radio equipment and repealing Directive 1999/5/EC.

[i.2] ECC/DEC/(06)08: "ECC Decision of 1 December 2006 on the conditions for use of the radio

spectrum by Ground- and Wall- Probing Radar (GPR/WPR) imaging systems".

[i.3] ETSI TS 103 051 (V1.1.1) (08-2011): "Electromagnetic compatibility and Radio spectrum Matters

(ERM); Expanded measurement uncertainty for the measurement of radiated electromagnetic

fields".
[i.4] Void.

[i.5] Commission Implementing Decision C(2015) 5376 final of 4.8.2015 on a standardisation request

to the European Committee for Electrotechnical Standardisation and to the European

Telecommunications Standards Institute as regards radio equipment in support of Directive

2014/53/EU of the European Parliament and of the Council.

[i.6] ETSI EG 203 336 (V1.1.1) (08-2015): "Electromagnetic compatibility and Radio spectrum

Matters (ERM); Guide for the selection of technical parameters for the production of Harmonised

Standards covering article 3.1(b) and article 3.2 of Directive 2014/53/EU".

[i.7] Recommendation ITU-R SM.1755: "Characteristics of ultra-wideband technology".

3 Definition of terms, symbols and abbreviations
3.1 Terms

For the purposes of the present document, the terms given in ETSI EN 303 883 [1] and the following apply:

footsize: outside dimension of the DUT in the horizontal plane

large GPR/WPR: GPR/WPR with the largest dimension in the horizontal plane 1 metre or more

Pulse Repetition Frequency (PRF): inverse of the Pulse Repetition Interval (PRI), averaged over a sufficiently long

time to cover all PRI variations

Pulse Repetition Interval (PRI): time between the rising edges of the transmitted (pulsed) output power

radiated measurements: measurements which involve the absolute measurement of a radiated electromagnetic field

ETSI
---------------------- Page: 10 ----------------------
SIST EN 302 066 V2.2.1:2020
9 ETSI EN 302 066 V2.2.1 (2020-06)
small GPR/WPR: GPR/WPR with all dimens
...

ETSI EN 302 066 V2.2.1 (2020-06)
HARMONISED EUROPEAN STANDARD
Short Range Devices (SRD);
Ground- and Wall- Probing Radio
determination (GPR/WPR) devices;
Harmonised Standard for access to radio spectrum
---------------------- Page: 1 ----------------------
2 ETSI EN 302 066 V2.2.1 (2020-06)
Reference
REN/ERM-TGUWB-146
Keywords
harmonised standard, radio, SRD, testing, UWB
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE
Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16
Siret N° 348 623 562 00017 - NAF 742 C
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88
Important notice
The present document can be downloaded from:
http://www.etsi.org/standards-search

The present document may be made available in electronic versions and/or in print. The content of any electronic and/or

print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any

existing or perceived difference in contents between such versions and/or in print, the prevailing version of an ETSI

deliverable is the one made publicly available in PDF format at www.etsi.org/deliver.

Users of the present document should be aware that the document may be subject to revision or change of status.

Information on the current status of this and other ETSI documents is available at

https://portal.etsi.org/TB/ETSIDeliverableStatus.aspx

If you find errors in the present document, please send your comment to one of the following services:

https://portal.etsi.org/People/CommiteeSupportStaff.aspx
Copyright Notification

No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying

and microfilm except as authorized by written permission of ETSI.

The content of the PDF version shall not be modified without the written authorization of ETSI.

The copyright and the foregoing restriction extend to reproduction in all media.
© ETSI 2020.
All rights reserved.

DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its Members.

3GPP™ and LTE™ are trademarks of ETSI registered for the benefit of its Members and

of the 3GPP Organizational Partners.

oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and

of the oneM2M Partners.
GSM and the GSM logo are trademarks registered and owned by the GSM Association.
ETSI
---------------------- Page: 2 ----------------------
3 ETSI EN 302 066 V2.2.1 (2020-06)
Contents

Intellectual Property Rights ................................................................................................................................ 5

Foreword ............................................................................................................................................................. 5

Modal verbs terminology .................................................................................................................................... 5

Introduction ........................................................................................................................................................ 6

1 Scope ........................................................................................................................................................ 7

2 References ................................................................................................................................................ 7

2.1 Normative references ......................................................................................................................................... 7

2.2 Informative references ........................................................................................................................................ 8

3 Definition of terms, symbols and abbreviations ....................................................................................... 8

3.1 Terms .................................................................................................................................................................. 8

3.2 Symbols .............................................................................................................................................................. 9

3.3 Abbreviations ..................................................................................................................................................... 9

4 Technical requirements specifications ..................................................................................................... 9

4.1 Environmental conditions ................................................................................................................................... 9

4.2 General ............................................................................................................................................................... 9

4.3 Transmitter Conformance Requirements .......................................................................................................... 10

4.3.1 Operating Bandwidth .................................................................................................................................. 10

4.3.1.1 Applicability.......................................................................................................................................... 10

4.3.1.2 Definition .............................................................................................................................................. 10

4.3.1.3 Limits .................................................................................................................................................... 10

4.3.1.4 Conformance ......................................................................................................................................... 10

4.3.2 Maximum value of mean power spectral density ....................................................................................... 10

4.3.3 Maximum value of peak power .................................................................................................................. 10

4.3.4 All undesired emissions .............................................................................................................................. 10

4.3.4.1 Applicability.......................................................................................................................................... 10

4.3.4.2 Definition .............................................................................................................................................. 11

4.3.4.3 Limits .................................................................................................................................................... 11

4.3.4.4 Conformance ......................................................................................................................................... 11

4.3.5 Other Emissions .......................................................................................................................................... 11

4.3.6 Transmitter unwanted emissions ................................................................................................................. 11

4.4 Receiver Conformance Requirements .............................................................................................................. 11

4.4.1 General ........................................................................................................................................................ 11

4.4.2 Receiver spurious emissions ....................................................................................................................... 11

4.4.3 Receiver dynamic range (sensitivity) for GPR/WPR .................................................................................. 11

4.4.3.1 Applicability.......................................................................................................................................... 11

4.4.3.2 Definition .............................................................................................................................................. 12

4.4.3.3 Limits .................................................................................................................................................... 12

4.4.3.4 Conformance ......................................................................................................................................... 12

4.4.4 Receiver blocking for GPR/WPR ............................................................................................................... 12

4.4.4.1 Applicability.......................................................................................................................................... 12

4.4.4.2 Description ............................................................................................................................................ 12

4.4.4.3 Limits .................................................................................................................................................... 12

4.4.4.4 Conformance ......................................................................................................................................... 12

4.5 Other Requirements and Mitigation techniques ............................................................................................... 12

4.5.1 Deactivation mechanism ............................................................................................................................. 12

4.5.1.1 Applicability.......................................................................................................................................... 12

4.5.1.2 Description ............................................................................................................................................ 13

4.5.1.3 Limits .................................................................................................................................................... 13

4.5.1.4 Conformance ......................................................................................................................................... 13

5 Testing for compliance with technical requirements .............................................................................. 13

5.1 Environmental conditions for testing ............................................................................................................... 13

5.2 General conditions for testing .......................................................................................................................... 13

6 Conformance test suites.......................................................................................................................... 13

6.1 Test setup.......................................................................................................................................................... 13

ETSI
---------------------- Page: 3 ----------------------
4 ETSI EN 302 066 V2.2.1 (2020-06)

6.1.1 Setup description for small GPR/WPR ....................................................................................................... 13

6.1.2 Setup description for large GPR/WPR........................................................................................................ 14

6.2 Conformance methods of measurement for transmitter ................................................................................... 16

6.2.1 General ........................................................................................................................................................ 16

6.2.2 Operating Bandwidth(s) .............................................................................................................................. 16

6.2.3 Mean power spectral density measurements ............................................................................................... 16

6.2.4 Peak power measurements .......................................................................................................................... 17

6.2.5 All undesired emissions measurement ........................................................................................................ 17

6.2.6 Other emissions .......................................................................................................................................... 18

6.2.7 Transmitter unwanted emissions ................................................................................................................. 18

6.3 Conformance methods of measurement for receiver ........................................................................................ 18

6.3.1 Receiver spurious emissions ....................................................................................................................... 18

6.3.2 Receiver dynamic range (sensitivity) and blocking .................................................................................... 18

6.3.2.0 General .................................................................................................................................................. 18

6.3.2.1 Test scenario ......................................................................................................................................... 18

6.3.2.2 Interferer test frequencies and interferer power levels .......................................................................... 19

6.3.2.3 Measurement of the maximum signal M for the receiver ..................................................................... 20

6.3.2.4 Measurement of the noise level N with the interferer deactivated ........................................................ 20

6.3.2.5 Measurement of the received signal I with the interferer activated ....................................................... 20

6.3.2.6 Calculation of D1 .................................................................................................................................. 20

6.3.2.7 Calculation of D2 .................................................................................................................................. 20

6.4 Other test suites ................................................................................................................................................ 20

6.4.1 Deactivation mechanism ............................................................................................................................. 20

Annex A (informative): Relationship between the present document and the essential

requirements of Directive 2014/53/EU ......................................................... 21

Annex B (normative): Deactivation mechanism ................................................................................ 22

Annex C (normative): Calculation of the Mean Power Density....................................................... 23

C.0 General ................................................................................................................................................... 23

C.1 Measurement of τ, transmit pulse width................................................................................................. 24

C.1.0 Introduction ...................................................................................................................................................... 24

C.1.1 Time domain .................................................................................................................................................... 24

C.1.2 Frequency domain ............................................................................................................................................ 25

Annex D (normative): Receiver parameters for GPR/WPR ............................................................ 26

D.0 General ................................................................................................................................................... 26

D.1 Resilience of GPR/WPR receiver against interferences ......................................................................... 26

D.1.0 Introduction ...................................................................................................................................................... 26

D.1.1 Maximum signal M for the RX in the linear region of operation ..................................................................... 27

D.1.2 Noise level N for the RX in the linear region of operation ............................................................................... 27

D.1.3 Signal I recorded in presence of the interferer.................................................................................................. 27

D.2 Performance criteria for GPR/WPR ....................................................................................................... 28

D.3 Justification for missing RX requirements from ETSI EG 203 336 ....................................................... 29

Annex E (normative): Characteristics of the sand for the conformance test suites ....................... 30

E.1 General ................................................................................................................................................... 30

E.2 Physical characteristics of the sand for the test setup ............................................................................. 30

E.3 Verification of the humidy content of the sand ...................................................................................... 30

Annex F (informative): Bibliography ................................................................................................... 31

Annex G (informative): Change History .............................................................................................. 32

History .............................................................................................................................................................. 33

ETSI
---------------------- Page: 4 ----------------------
5 ETSI EN 302 066 V2.2.1 (2020-06)
Intellectual Property Rights
Essential patents

IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information

pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found

in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in

respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web

server (https://ipr.etsi.org/).

Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee

can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web

server) which are, or may be, or may become, essential to the present document.
Trademarks

The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.

ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no

right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does

not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.

Foreword

This Harmonised European Standard (EN) has been produced by ETSI Technical Committee Electromagnetic

compatibility and Radio spectrum Matters (ERM).

The present document has been prepared under the Commission's standardisation request C(2015) 5376 final [i.5] to

provide one voluntary means of conforming to the essential requirements of Directive 2014/53/EU on the harmonisation

of the laws of the Member States relating to the making available on the market of radio equipment and repealing

Directive 1999/5/EC [i.1].

Once the present document is cited in the Official Journal of the European Union under that Directive, compliance with

the normative clauses of the present document given in table A.1 confers, within the limits of the scope of the present

document, a presumption of conformity with the corresponding essential requirements of that Directive and associated

EFTA regulations.
National transposition dates
Date of adoption of this EN: 9 June 2020
Date of latest announcement of this EN (doa): 30 September 2020
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 31 March 2021
Date of withdrawal of any conflicting National Standard (dow): 31 March 2022
Modal verbs terminology

In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and

"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of

provisions).

"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.

ETSI
---------------------- Page: 5 ----------------------
6 ETSI EN 302 066 V2.2.1 (2020-06)
Introduction

GPR and WPR radars are imaging systems designed to operate while in contact with, or in close proximity to the

ground or the wall, and their emissions are directed into the ground or wall (e.g. measured by a proximity sensor or

imposed by the mechanical design).

The GPR/WPR applications in the present document are not intended for communications purposes, and the intended

signal is not radiated into free space. The emissions into the air resulting from the operation of GPR/WPR imaging

systems are defined as those emissions radiated in all directions above the ground from the GPR/WPR equipment,

including direct emissions from the housing/structure of the equipment and emissions reflected or passing through the

media under inspection (referred in ECC/DEC/(06)08 [i.2] and in the present document as "undesired emissions"); they

are therefore dependent on the operational conditions and are meaningful only if the GPR/WPR are coupled with the

material being investigated. Figure 1 shows the scenario to be considered for the emissions radiated into the air by

GPR/WPR.
Figure 1: Hatched area around the GPR/WPR shows the emissions
to be considered in this clause
ETSI
---------------------- Page: 6 ----------------------
7 ETSI EN 302 066 V2.2.1 (2020-06)
1 Scope

The present document specifies the requirements for Ground- and Wall- Probing Radar imaging systems applications.

Ground Probing Radars (GPR) and Wall Probing Radars (WPR) are used in survey and detection applications.These do

not include radars operated from aircraft or spacecraft.
The present document applies to:

1) Ground Probing Radars (GPR) operating in the frequency range 30 MHz to 12,4 GHz radiating directly

downwards into the ground.

2) Wall Probing Radars (WPR) operating in the frequency range 30 MHz to 12,4 GHz radiating directly into a

"wall". The "wall" is a building material structure, the side of a bridge, the wall of a mine or another physical

structure that absorbs a significant part of the signal transmitted by the radar.

These equipment can either:
1) be fitted with integral antennas and without antenna connector; or

2) use different imaging heads (antennas) with an antenna connector, to allow operation at different operating

bandwidths frequencies.

NOTE 1: Equipment covered by the present document operates in accordance with ECC/DEC(06)08 [i.2].

These radio equipment types are capable of operating in all or part of the frequency bands given in table 1.

Table 1: Permitted ranges of operation
Permitted range of operation
Transmit 30 MHz to 12,4 GHz
Receive 30 MHz to 12,4 GHz
NOTE 1: Limits in table 2, clause 4.3.4 are to be met.

NOTE 2: The frequency usage conditions for GPR/WPR are not fully harmonised in the

EU and CEPT. Some National Regulatory Authorities (NRAs) may not have a
general frequency allocation for GPR/WPT and may have established individual
licensing requirements (e.g. registration of the user). Annex 2 of
ECC/DEC/(06)08 [i.2] gives some guidance to administrations.

NOTE 2: The relationship between the present document and essential requirements of article 3.2 of Directive

2014/53/EU [i.1] is given in annex A.
2 References
2.1 Normative references

References are specific, identified by date of publication and/or edition number or version number. Only the cited

version applies.

Referenced documents which are not found to be publicly available in the expected location might be found at

https://docbox.etsi.org/Reference/.

NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee

their long term validity.

The following referenced documents are necessary for the application of the present document.

[1] ETSI EN 303 883 (V1.1.1) (09-2016): "Short Range Devices (SRD) using Ultra Wide Band

(UWB); Measurement Techniques".
ETSI
---------------------- Page: 7 ----------------------
8 ETSI EN 302 066 V2.2.1 (2020-06)

[2] ETSI TS 103 361 (V1.1.1) (03-2016): "Short Range Devices (SRD) using Ultra Wide Band

technology (UWB); Receiver technical requirements, parameters and measurement procedures to

fulfil the requirements of the Directive 2014/53/EU".

[3] CENELEC EN 55016-1-1 (March 2010 + A1 October 2010 + A2 September 2014): "Specification

for radio disturbance and immunity measuring apparatus and methods; Part 1-1: Radio disturbance

and immunity measuring apparatus - Measuring apparatus".
2.2 Informative references

References are either specific (identified by date of publication and/or edition number or version number) or

non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the

referenced document (including any amendments) applies.

NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee

their long term validity.

The following referenced documents are not necessary for the application of the present document but they assist the

user with regard to a particular subject area.

[i.1] Directive 2014/53/EU of the European Parliament and of the council of 16 April 2014 on the

harmonisation of the laws of the Member States relating to the making available on the market of

radio equipment and repealing Directive 1999/5/EC.

[i.2] ECC/DEC/(06)08: "ECC Decision of 1 December 2006 on the conditions for use of the radio

spectrum by Ground- and Wall- Probing Radar (GPR/WPR) imaging systems".

[i.3] ETSI TS 103 051 (V1.1.1) (08-2011): "Electromagnetic compatibility and Radio spectrum Matters

(ERM); Expanded measurement uncertainty for the measurement of radiated electromagnetic

fields".
[i.4] Void.

[i.5] Commission Implementing Decision C(2015) 5376 final of 4.8.2015 on a standardisation request

to the European Committee for Electrotechnical Standardisation and to the European

Telecommunications Standards Institute as regards radio equipment in support of Directive

2014/53/EU of the European Parliament and of the Council.

[i.6] ETSI EG 203 336 (V1.1.1) (08-2015): "Electromagnetic compatibility and Radio spectrum

Matters (ERM); Guide for the selection of technical parameters for the production of Harmonised

Standards covering article 3.1(b) and article 3.2 of Directive 2014/53/EU".

[i.7] Recommendation ITU-R SM.1755: "Characteristics of ultra-wideband technology".

3 Definition of terms, symbols and abbreviations
3.1 Terms

For the purposes of the present document, the terms given in ETSI EN 303 883 [1] and the following apply:

footsize: outside dimension of the DUT in the horizontal plane

large GPR/WPR: GPR/WPR with the largest dimension in the horizontal plane 1 metre or more

Pulse Repetition Frequency (PRF): inverse of the Pulse Repetition Interval (PRI), averaged over a sufficiently long

time to cover all PRI variations

Pulse Repetition Interval (PRI): time between the rising edges of the transmitted (pulsed) output power

radiated measurements: measurements which involve the absolute measurement of a radiated electromagnetic field

ETSI
---------------------- Page: 8 ----------------------
9 ETSI EN 302 066 V2.2.1 (2020-06)
small GPR/WPR: GPR/WPR with all dimensions in the horizontal plane below 1 metre

time window: length of time that the GPR/WPR receiver is activated to collect reflections from a single transmitted

signal

undesired emissions: emissions radiated in all directions above the ground from the GPR/WPR equipment, including

direct emissions from the housing/structure of the equipment and emissions reflected or passing through the media

under inspection (see ETSI EG 203 336 [i.6])
user manual: end user documentation to be included with the device
3.2 Symbols

For the purposes of the present document, the symbols given in ETSI EN 303 883 [1] and the following apply:

dB DeciBel
dBi Gain in decibels relative to an isotropic antenna
D1 Difference between M and N
D2 Difference between M and I
E Electrical field strength
f Frequency at which the emission is the peak power at maximum
Ι Signal recorded by the receiver in presence of the interferer
λ Wavelength
M Maximum signal for the receiver in the linear region of operation
N Receiver noise level
3.3 Abbreviations
For the purposes of the pre
...

Final draft ETSI EN 302 066 V2.2.1 (2020-04)
HARMONISED EUROPEAN STANDARD
Short Range Devices (SRD);
Ground- and Wall- Probing Radio
determination (GPR/WPR) devices;
Harmonised Standard for access to radio spectrum
---------------------- Page: 1 ----------------------
2 Final draft ETSI EN 302 066 V2.2.1 (2020-04)
Reference
REN/ERM-TGUWB-146
Keywords
harmonised standard, radio, SRD, testing, UWB
ETSI
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The copyright and the foregoing restriction extend to reproduction in all media.
© ETSI 2020.
All rights reserved.

DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its Members.

3GPP™ and LTE™ are trademarks of ETSI registered for the benefit of its Members and

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of the oneM2M Partners.
GSM and the GSM logo are trademarks registered and owned by the GSM Association.
ETSI
---------------------- Page: 2 ----------------------
3 Final draft ETSI EN 302 066 V2.2.1 (2020-04)
Contents

Intellectual Property Rights ................................................................................................................................ 5

Foreword ............................................................................................................................................................. 5

Modal verbs terminology .................................................................................................................................... 5

Introduction ........................................................................................................................................................ 6

1 Scope ........................................................................................................................................................ 7

2 References ................................................................................................................................................ 7

2.1 Normative references ......................................................................................................................................... 7

2.2 Informative references ........................................................................................................................................ 8

3 Definition of terms, symbols and abbreviations ....................................................................................... 8

3.1 Terms .................................................................................................................................................................. 8

3.2 Symbols .............................................................................................................................................................. 9

3.3 Abbreviations ..................................................................................................................................................... 9

4 Technical requirements specifications ..................................................................................................... 9

4.1 Environmental conditions ................................................................................................................................... 9

4.2 General ............................................................................................................................................................... 9

4.3 Transmitter Conformance Requirements .......................................................................................................... 10

4.3.1 Operating Bandwidth .................................................................................................................................. 10

4.3.1.1 Applicability.......................................................................................................................................... 10

4.3.1.2 Definition .............................................................................................................................................. 10

4.3.1.3 Limits .................................................................................................................................................... 10

4.3.1.4 Conformance ......................................................................................................................................... 10

4.3.2 Maximum value of mean power spectral density ....................................................................................... 10

4.3.3 Maximum value of peak power .................................................................................................................. 10

4.3.4 All undesired emissions .............................................................................................................................. 10

4.3.4.1 Applicability.......................................................................................................................................... 10

4.3.4.2 Definition .............................................................................................................................................. 11

4.3.4.3 Limits .................................................................................................................................................... 11

4.3.4.4 Conformance ......................................................................................................................................... 11

4.3.5 Other Emissions .......................................................................................................................................... 11

4.3.6 Transmitter unwanted emissions ................................................................................................................. 11

4.4 Receiver Conformance Requirements .............................................................................................................. 11

4.4.1 General ........................................................................................................................................................ 11

4.4.2 Receiver spurious emissions ....................................................................................................................... 11

4.4.3 Receiver dynamic range (sensitivity) for GPR/WPR .................................................................................. 11

4.4.3.1 Applicability.......................................................................................................................................... 11

4.4.3.2 Definition .............................................................................................................................................. 12

4.4.3.3 Limits .................................................................................................................................................... 12

4.4.3.4 Conformance ......................................................................................................................................... 12

4.4.4 Receiver blocking for GPR/WPR ............................................................................................................... 12

4.4.4.1 Applicability.......................................................................................................................................... 12

4.4.4.2 Description ............................................................................................................................................ 12

4.4.4.3 Limits .................................................................................................................................................... 12

4.4.4.4 Conformance ......................................................................................................................................... 12

4.5 Other Requirements and Mitigation techniques ............................................................................................... 12

4.5.1 Deactivation mechanism ............................................................................................................................. 12

4.5.1.1 Applicability.......................................................................................................................................... 12

4.5.1.2 Description ............................................................................................................................................ 13

4.5.1.3 Limits .................................................................................................................................................... 13

4.5.1.4 Conformance ......................................................................................................................................... 13

5 Testing for compliance with technical requirements .............................................................................. 13

5.1 Environmental conditions for testing ............................................................................................................... 13

5.2 General conditions for testing .......................................................................................................................... 13

ETSI
---------------------- Page: 3 ----------------------
4 Final draft ETSI EN 302 066 V2.2.1 (2020-04)

6 Conformance test suites.......................................................................................................................... 13

6.1 Test setup.......................................................................................................................................................... 13

6.1.1 Setup description for small GPR/WPR ....................................................................................................... 13

6.1.2 Setup description for large GPR/WPR........................................................................................................ 14

6.2 Conformance methods of measurement for transmitter ................................................................................... 16

6.2.1 General ........................................................................................................................................................ 16

6.2.2 Operating Bandwidth(s) .............................................................................................................................. 16

6.2.3 Mean power spectral density measurements ............................................................................................... 16

6.2.4 Peak power measurements .......................................................................................................................... 17

6.2.5 All undesired emissions measurement ........................................................................................................ 17

6.2.6 Other emissions .......................................................................................................................................... 18

6.2.7 Transmitter unwanted emissions ................................................................................................................. 18

6.3 Conformance methods of measurement for receiver ........................................................................................ 18

6.3.1 Receiver spurious emissions ....................................................................................................................... 18

6.3.2 Receiver dynamic range (sensitivity) and blocking .................................................................................... 18

6.3.2.0 General .................................................................................................................................................. 18

6.3.2.1 Test scenario ......................................................................................................................................... 18

6.3.2.2 Interferer test frequencies and interferer power levels .......................................................................... 19

6.3.2.3 Measurement of the maximum signal M for the receiver ..................................................................... 20

6.3.2.4 Measurement of the noise level N with the interferer deactivated ........................................................ 20

6.3.2.5 Measurement of the received signal I with the interferer activated ....................................................... 20

6.3.2.6 Calculation of D1 .................................................................................................................................. 20

6.3.2.7 Calculation of D2 .................................................................................................................................. 20

6.4 Other test suites ................................................................................................................................................ 20

6.4.1 Deactivation mechanism ............................................................................................................................. 20

Annex A (informative): Relationship between the present document and the essential

requirements of Directive 2014/53/EU ......................................................... 21

Annex B (normative): Deactivation mechanism ................................................................................ 22

Annex C (normative): Calculation of the Mean Power Density....................................................... 23

C.0 General ................................................................................................................................................... 23

C.1 Measurement of τ, transmit pulse width................................................................................................. 24

C.1.0 Introduction ...................................................................................................................................................... 24

C.1.1 Time domain .................................................................................................................................................... 24

C.1.2 Frequency domain ............................................................................................................................................ 25

Annex D (normative): Receiver parameters for GPR/WPR ............................................................ 26

D.0 General ................................................................................................................................................... 26

D.1 Resilience of GPR/WPR receiver against interferences ......................................................................... 26

D.1.0 Introduction ...................................................................................................................................................... 26

D.1.1 Maximum signal M for the RX in the linear region of operation ..................................................................... 27

D.1.2 Noise level N for the RX in the linear region of operation ............................................................................... 27

D.1.3 Signal I recorded in presence of the interferer.................................................................................................. 27

D.2 Performance criteria for GPR/WPR ....................................................................................................... 28

D.3 Justification for missing RX requirements from ETSI EG 203 336 ....................................................... 29

Annex E (normative): Characteristics of the sand for the conformance test suites ....................... 30

E.1 General ................................................................................................................................................... 30

E.2 Physical characteristics of the sand for the test setup ............................................................................. 30

E.3 Verification of the humidy content of the sand ...................................................................................... 31

Annex F (informative): Bibliography ................................................................................................... 32

Annex G (informative): Change History .............................................................................................. 33

History .............................................................................................................................................................. 34

ETSI
---------------------- Page: 4 ----------------------
5 Final draft ETSI EN 302 066 V2.2.1 (2020-04)
Intellectual Property Rights
Essential patents

IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information

pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found

in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in

respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web

server (https://ipr.etsi.org/).

Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee

can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web

server) which are, or may be, or may become, essential to the present document.
Trademarks

The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.

ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no

right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does

not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.

Foreword

This final draft Harmonised European Standard (EN) has been produced by ETSI Technical Committee

Electromagnetic compatibility and Radio spectrum Matters (ERM), and is now submitted for the Vote phase of the

ETSI standards EN Approval Procedure.

The present document has been prepared under the Commission's standardisation request C(2015) 5376 final [i.5] to

provide one voluntary means of conforming to the essential requirements of Directive 2014/53/EU on the harmonisation

of the laws of the Member States relating to the making available on the market of radio equipment and repealing

Directive 1999/5/EC [i.1].

Once the present document is cited in the Official Journal of the European Union under that Directive, compliance with

the normative clauses of the present document given in table A.1 confers, within the limits of the scope of the present

document, a presumption of conformity with the corresponding essential requirements of that Directive and associated

EFTA regulations.
Proposed national transposition dates
Date of latest announcement of this EN (doa): 3 months after ETSI publication
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 6 months after doa

Date of withdrawal of any conflicting National Standard (dow): 18 months after doa

Modal verbs terminology

In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and

"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of

provisions).

"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.

ETSI
---------------------- Page: 5 ----------------------
6 Final draft ETSI EN 302 066 V2.2.1 (2020-04)
Introduction

GPR and WPR radars are imaging systems designed to operate while in contact with, or in close proximity to the

ground or the wall, and their emissions are directed into the ground or wall (e.g. measured by a proximity sensor or

imposed by the mechanical design).

The GPR/WPR applications in the present document are not intended for communications purposes, and the intended

signal is not radiated into free space. The emissions into the air resulting from the operation of GPR/WPR imaging

systems are defined as those emissions radiated in all directions above the ground from the GPR/WPR equipment,

including direct emissions from the housing/structure of the equipment and emissions reflected or passing through the

media under inspection (referred in ECC/DEC/(06)08 [i.2] and in the present document as "undesired emissions"); they

are therefore dependent on the operational conditions and are meaningful only if the GPR/WPR are coupled with the

material being investigated. Figure 1 shows the scenario to be considered for the emissions radiated into the air by

GPR/WPR.
Figure 1: Hatched area around the GPR/WPR shows the emissions
to be considered in this clause
ETSI
---------------------- Page: 6 ----------------------
7 Final draft ETSI EN 302 066 V2.2.1 (2020-04)
1 Scope

The present document specifies the requirements for Ground- and Wall- Probing Radar imaging systems applications.

Ground Probing Radars (GPR) and Wall Probing Radars (WPR) are used in survey and detection applications.These do

not include radars operated from aircraft or spacecraft.
The present document applies to:

1) Ground Probing Radars (GPR) operating in the frequency range 30 MHz to 12,4 GHz radiating directly

downwards into the ground.

2) Wall Probing Radars (WPR) operating in the frequency range 30 MHz to 12,4 GHz radiating directly into a

"wall". The "wall" is a building material structure, the side of a bridge, the wall of a mine or another physical

structure that absorbs a significant part of the signal transmitted by the radar.

These equipment can either:
1) be fitted with integral antennas and without antenna connector; or

2) use different imaging heads (antennas) with an antenna connector, to allow operation at different operating

bandwidths frequencies.

NOTE 1: Equipment covered by the present document operates in accordance with ECC/DEC(06)08 [i.2].

These radio equipment types are capable of operating in all or part of the frequency bands given in table 1.

Table 1: Permitted ranges of operation
Permitted range of operation
Transmit 30 MHz to 12,4 GHz
Receive 30 MHz to 12,4 GHz
NOTE 1: Limits in table 2, clause 4.3.4 are to be met.

NOTE 2: The frequency usage conditions for GPR/WPR are not fully harmonised in the

EU and CEPT. Some National Regulatory Authorities (NRAs) may not have a
general frequency allocation for GPR/WPT and may have established individual
licensing requirements (e.g. registration of the user). Annex 2 of
ECC/DEC/(06)08 [i.2] gives some guidance to administrations.

NOTE 2: The relationship between the present document and essential requirements of article 3.2 of Directive

2014/53/EU [i.1] is given in annex A.
2 References
2.1 Normative references

References are specific, identified by date of publication and/or edition number or version number. Only the cited

version applies.

Referenced documents which are not found to be publicly available in the expected location might be found at

https://docbox.etsi.org/Reference/.

NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee

their long term validity.

The following referenced documents are necessary for the application of the present document.

[1] ETSI EN 303 883 (V1.1.1) (09-2016): "Short Range Devices (SRD) using Ultra Wide Band

(UWB); Measurement Techniques".
ETSI
---------------------- Page: 7 ----------------------
8 Final draft ETSI EN 302 066 V2.2.1 (2020-04)

[2] ETSI TS 103 361 (V1.1.1) (03-2016): "Short Range Devices (SRD) using Ultra Wide Band

technology (UWB); Receiver technical requirements, parameters and measurement procedures to

fulfil the requirements of the Directive 2014/53/EU".

[3] CENELEC EN 55016-1-1 (March 2010 + A1 October 2010 + A2 September 2014): "Specification

for radio disturbance and immunity measuring apparatus and methods; Part 1-1: Radio disturbance

and immunity measuring apparatus - Measuring apparatus".
2.2 Informative references

References are either specific (identified by date of publication and/or edition number or version number) or

non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the

referenced document (including any amendments) applies.

NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee

their long term validity.

The following referenced documents are not necessary for the application of the present document but they assist the

user with regard to a particular subject area.

[i.1] Directive 2014/53/EU of the European Parliament and of the council of 16 April 2014 on the

harmonisation of the laws of the Member States relating to the making available on the market of

radio equipment and repealing Directive 1999/5/EC.

[i.2] ECC/DEC/(06)08: "ECC Decision of 1 December 2006 on the conditions for use of the radio

spectrum by Ground- and Wall- Probing Radar (GPR/WPR) imaging systems".

[i.3] ETSI TS 103 051 (V1.1.1) (08-2011): "Electromagnetic compatibility and Radio spectrum Matters

(ERM); Expanded measurement uncertainty for the measurement of radiated electromagnetic

fields".
[i.4] Void.

[i.5] Commission Implementing Decision C(2015) 5376 final of 4.8.2015 on a standardisation request

to the European Committee for Electrotechnical Standardisation and to the European

Telecommunications Standards Institute as regards radio equipment in support of Directive

2014/53/EU of the European Parliament and of the Council.

[i.6] ETSI EG 203 336 (V1.1.1) (08-2015): "Electromagnetic compatibility and Radio spectrum

Matters (ERM); Guide for the selection of technical parameters for the production of Harmonised

Standards covering article 3.1(b) and article 3.2 of Directive 2014/53/EU".

[i.7] Recommendation ITU-R SM.1755: "Characteristics of ultra-wideband technology".

3 Definition of terms, symbols and abbreviations
3.1 Terms

For the purposes of the present document, the terms given in ETSI EN 303 883 [1] and the following apply:

footsize: outside dimension of the DUT in the horizontal plane

large GPR/WPR: GPR/WPR with the largest dimension in the horizontal plane 1 metre or more

Pulse Repetition Frequency (PRF): inverse of the Pulse Repetition Interval (PRI), averaged over a sufficiently long

time to cover all PRI variations

Pulse Repetition Interval (PRI): time between the rising edges of the transmitted (pulsed) output power

radiated measurements: measurements which involve the absolute measurement of a radiated electromagnetic field

ETSI
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9 Final draft ETSI EN 302 066 V2.2.1 (2020-04)
small GPR/WPR: GPR/WPR with all dimensions in the horizontal plane below 1 metre

time window: length of time that the GPR/WPR receiver is activated to collect reflections from a single transmitted

signal

undesired emissions: emissions radiated in all directions above the ground from the GPR/WPR equipment, including

direct emissions from the housing/structure of the equipment and emissions reflected or passing through the media

under inspection (see ETSI EG 203 336 [i.6])
user manual: end user documentation to be included with the device
3.2 Symbols

For the purposes of the present document, the symbols given in ETSI EN 303 883 [1] and the following apply:

dB DeciBel
dBi Gain in decibels relative to an isotropic antenna
D1 Difference between M and N
D2 Difference between M and I
E Electrical field strength
f Frequency at which the emission is the peak power at maximum
Ι Signal recorded by the recei
...

Draft ETSI EN 302 066 V2.2.0 (2019-04)
HARMONISED EUROPEAN STANDARD
Short Range Devices (SRD);
Ground- and Wall- Probing Radio
determination (GPR/WPR) devices;
Harmonised Standard for access to radio spectrum
---------------------- Page: 1 ----------------------
2 Draft ETSI EN 302 066 V2.2.0 (2019-04)
Reference
REN/ERM-TGUWB-146
Keywords
harmonised standard, radio, SRD, testing, UWB
ETSI
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ETSI
---------------------- Page: 2 ----------------------
3 Draft ETSI EN 302 066 V2.2.0 (2019-04)
Contents

Intellectual Property Rights ................................................................................................................................ 5

Foreword ............................................................................................................................................................. 5

Modal verbs terminology .................................................................................................................................... 5

1 Scope ........................................................................................................................................................ 6

2 References ................................................................................................................................................ 7

2.1 Normative references ......................................................................................................................................... 7

2.2 Informative references ........................................................................................................................................ 8

3 Definition of terms, symbols and abbreviations ....................................................................................... 8

3.1 Terms .................................................................................................................................................................. 8

3.2 Symbols .............................................................................................................................................................. 9

3.3 Abbreviations ..................................................................................................................................................... 9

4 Technical requirements specifications ..................................................................................................... 9

4.1 Environmental conditions ................................................................................................................................... 9

4.2 General ............................................................................................................................................................... 9

4.3 Transmitter Conformance Requirements .......................................................................................................... 10

4.3.1 Operating Bandwidth .................................................................................................................................. 10

4.3.1.1 Applicability.......................................................................................................................................... 10

4.3.1.2 Description ............................................................................................................................................ 10

4.3.1.3 Limits .................................................................................................................................................... 10

4.3.1.4 Conformance ......................................................................................................................................... 10

4.3.2 Maximum value of mean power spectral density ....................................................................................... 10

4.3.3 Maximum value of peak power .................................................................................................................. 10

4.3.4 All undesired emissions .............................................................................................................................. 10

4.3.4.1 Applicability.......................................................................................................................................... 10

4.3.4.2 Description ............................................................................................................................................ 11

4.3.4.3 Limits .................................................................................................................................................... 11

4.3.4.4 Conformance ......................................................................................................................................... 11

4.3.5 Other Emissions .......................................................................................................................................... 11

4.3.6 Transmitter unwanted emissions ................................................................................................................. 11

4.4 Receiver Conformance Requirements .............................................................................................................. 11

4.4.1 General ........................................................................................................................................................ 11

4.4.2 Receiver spurious emissions ....................................................................................................................... 11

4.4.3 Receiver dynamic range (sensitivity) for GPR/WPR .................................................................................. 11

4.4.3.1 Applicability.......................................................................................................................................... 11

4.4.3.2 Description ............................................................................................................................................ 12

4.4.3.3 Limits .................................................................................................................................................... 12

4.4.3.4 Conformance ......................................................................................................................................... 12

4.4.4 Receiver blocking for GPR/WPR ............................................................................................................... 12

4.4.4.1 Applicability.......................................................................................................................................... 12

4.4.4.2 Description ............................................................................................................................................ 12

4.4.4.3 Limits .................................................................................................................................................... 12

4.4.4.4 Conformance ......................................................................................................................................... 12

4.5 Other Requirements and Mitigation techniques ............................................................................................... 12

4.5.1 Deactivation mechanism ............................................................................................................................. 12

4.5.1.1 Applicability.......................................................................................................................................... 12

4.5.1.2 Description ............................................................................................................................................ 13

4.5.1.3 Limits .................................................................................................................................................... 13

4.5.1.4 Conformance ......................................................................................................................................... 13

5 Testing for compliance with technical requirements .............................................................................. 13

5.1 Environmental conditions for testing ............................................................................................................... 13

5.2 General conditions for testing .......................................................................................................................... 13

6 Conformance test suites.......................................................................................................................... 13

6.1 Test setup.......................................................................................................................................................... 13

ETSI
---------------------- Page: 3 ----------------------
4 Draft ETSI EN 302 066 V2.2.0 (2019-04)

6.1.1 Setup description for small GPR/WPR ....................................................................................................... 13

6.1.2 Setup description for other GPR/WPR ....................................................................................................... 14

6.2 Conformance methods of measurement for transmitter ................................................................................... 16

6.2.1 General ........................................................................................................................................................ 16

6.2.2 Operating Bandwidth(s) .............................................................................................................................. 16

6.2.3 Mean power spectral density measurements ............................................................................................... 16

6.2.4 Peak power measurements .......................................................................................................................... 16

6.2.5 All undesired emissions measurement ........................................................................................................ 16

6.2.6 Other emissions .......................................................................................................................................... 18

6.2.7 Transmitter unwanted emissions ................................................................................................................. 18

6.3 Conformance methods of measurement for receiver ........................................................................................ 18

6.3.1 Receiver spurious emissions ....................................................................................................................... 18

6.3.2 Receiver dynamic range (sensitivity) and blocking .................................................................................... 18

6.3.2.0 General .................................................................................................................................................. 18

6.3.2.1 Test scenario ......................................................................................................................................... 18

6.3.2.2 Interferer test frequencies and interferer power levels .......................................................................... 19

6.3.2.3 Measurement of the maximum signal M for the receiver ..................................................................... 20

6.3.2.4 Measurement of the noise level N with the interferer deactivated ........................................................ 20

6.3.2.5 Measurement of the received signal I with the interferer activated ....................................................... 20

6.3.2.6 Calculation of D1 .................................................................................................................................. 20

6.3.2.7 Calculation of D2 .................................................................................................................................. 20

6.4 Other test suites ................................................................................................................................................ 20

6.4.1 Deactivation mechanism ............................................................................................................................. 20

Annex A (informative): Relationship between the present document and the essential

requirements of Directive 2014/53/EU ......................................................... 21

Annex B (normative): Deactivation mechanism ................................................................................ 22

Annex C (normative): Calculation of the Mean Power Density....................................................... 23

C.0 General ................................................................................................................................................... 23

C.1 Measurement of τ, transmit pulse width................................................................................................. 24

C.1.0 Introduction ...................................................................................................................................................... 24

C.1.1 Time domain .................................................................................................................................................... 24

C.1.2 Frequency domain ............................................................................................................................................ 25

Annex D (normative): Receiver parameters for GPR/WPR ............................................................ 26

D.0 General ................................................................................................................................................... 26

D.1 Resilience of GPR/WPR receiver against interferences ......................................................................... 26

D.1.0 Introduction ...................................................................................................................................................... 26

D.1.1 Maximum signal M for the RX in the linear region of operation ..................................................................... 27

D.1.2 Noise level N for the RX in the linear region of operation ............................................................................... 27

D.1.3 Signal I recorded in presence of the interferer.................................................................................................. 27

D.2 Performance criteria for GPR/WPR ....................................................................................................... 28

Annex E (informative): Bibliography ................................................................................................... 30

Annex F (informative): Change History .............................................................................................. 31

History .............................................................................................................................................................. 32

ETSI
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5 Draft ETSI EN 302 066 V2.2.0 (2019-04)
Intellectual Property Rights
Essential patents

IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information

pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found

in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in

respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web

server (https://ipr.etsi.org/).

Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee

can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web

server) which are, or may be, or may become, essential to the present document.
Trademarks

The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.

ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no

right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does

not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.

Foreword

This draft Harmonised European Standard (EN) has been produced by ETSI Technical Committee Electromagnetic

compatibility and Radio spectrum Matters (ERM), and is now submitted for the combined Public Enquiry and Vote

phase of the ETSI standards EN Approval Procedure.

The present document has been prepared under the Commission's standardisation request C(2015) 5376 final [i.5] to

provide one voluntary means of conforming to the essential requirements of Directive 2014/53/EU on the harmonisation

of the laws of the Member States relating to the making available on the market of radio equipment and repealing

Directive 1999/5/EC [i.1].

Once the present document is cited in the Official Journal of the European Union under that Directive, compliance with

the normative clauses of the present document given in table A.1 confers, within the limits of the scope of the present

document, a presumption of conformity with the corresponding essential requirements of that Directive and associated

EFTA regulations.
Proposed national transposition dates
Date of latest announcement of this EN (doa): 3 months after ETSI publication
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 6 months after doa

Date of withdrawal of any conflicting National Standard (dow): 18 months after doa

Modal verbs terminology

In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and

"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of

provisions).

"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.

ETSI
---------------------- Page: 5 ----------------------
6 Draft ETSI EN 302 066 V2.2.0 (2019-04)
1 Scope

The present document specifies the requirements for Ground- and Wall- Probing Radar imaging systems applications.

Ground Probing Radars (GPR) and Wall Probing Radars (WPR) are used in survey and detection applications.

The scope is limited to GPR and WPR radars, which are imaging systems are designed to operate while in contact with,

or in close proximity to the ground or the wall, and their emissions being directed into the ground or wall (e.g. measured

by a proximity sensor or imposed by the mechanical design). It does not include radars operated from aircraft or

spacecraft.

The GPR/WPR applications in the present document are not intended for communications purposes, and the intended

signal is not radiated into free space.

The emissions into the air resulting from the operation of GPR/WPR imaging systems are therefore defined as those

emissions radiated in all directions above the ground from the GPR/WPR equipment, including direct emissions from

the housing/structure of the equipment and emissions reflected or passing through the media under inspection (referred

in ECC/DEC/(06)08 [i.2] and in the present document as "undesired emissions"); they are therefore dependent on the

operational conditions and are meaningful only if the GPR/WPR are coupled with the material being investigated.

Figure 1 shows the scenario to be considered for the emissions radiated into the air by GPR/WPR.

Figure 1: Hatched area around the GPR/WPR shows the emissions
to be considered in this clause

NOTE 1: Equipment covered by the present document is intended to be used by competent professional personnel.

The present document applies to:

1) Ground Probing Radars (GPR) operating in the frequency range 30 MHz to 12,4 GHz radiating directly

downwards into the ground.

2) Wall Probing Radars (WPR) operating in the frequency range 30 MHz to 12,4 GHz radiating directly into a

"wall". The "wall" is a building material structure, the side of a bridge, the wall of a mine or another physical

structure that absorbs a significant part of the signal transmitted by the radar.

These equipment can either:
1) be fitted with integral antennas and without antenna connector; or
ETSI
---------------------- Page: 6 ----------------------
7 Draft ETSI EN 302 066 V2.2.0 (2019-04)

2) use different imaging heads (antennas) with an antenna connector, to allow operation at different operating

bandwidths frequencies.

NOTE 2: Equipment covered by the present document operates in accordance with ECC/DEC(06)08 [i.2].

These radio equipment types are capable of operating in all or part of the frequency bands given in table 1.

Table 1: Permitted ranges of operation
Permitted range of operation
Transmit 30 MHz to 12,4 GHz
Receive 30 MHz to 12,4 GHz
NOTE 1: Limits in table 2, clause 4.3.4 are to be met.

NOTE 2: The frequency usage conditions for GPR/WPR are not fully harmonised in the

EU and CEPT. Some National Regulatory Authorities (NRAs) may not have a
general frequency allocation for GPR/WPT and may have established individual
licensing requirements (e.g. registration of the user). Annex 2 of
ECC/DEC/(06)08 [i.2] gives some guidance to administrations.

NOTE 3: The relationship between the present document and essential requirements of article 3.2 of Directive

2014/53/EU [i.1] is given in annex A.
2 References
2.1 Normative references

References are specific, identified by date of publication and/or edition number or version number. Only the cited

version applies.

Referenced documents which are not found to be publicly available in the expected location might be found at

https://docbox.etsi.org/Reference/.

NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee

their long term validity.

The following referenced documents are necessary for the application of the present document.

[1] ETSI EN 303 883 (V1.1.1) (09-2016): "Short Range Devices (SRD) using Ultra Wide Band

(UWB); Measurement Techniques".

[2] ETSI TS 103 361 (V1.1.1) (03-2016): "Short Range Devices (SRD) using Ultra Wide Band

technology (UWB); Receiver technical requirements, parameters and measurement procedures to

fulfil the requirements of the Directive 2014/53/EU".

[3] CENELEC EN 55016-1-1 (March 2010 + A1 October 2010 + A2 September 2014): "Specification

for radio disturbance and immunity measuring apparatus and methods; Part 1-1: Radio disturbance

and immunity measuring apparatus - Measuring apparatus".
ETSI
---------------------- Page: 7 ----------------------
8 Draft ETSI EN 302 066 V2.2.0 (2019-04)
2.2 Informative references

References are either specific (identified by date of publication and/or edition number or version number) or

non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the

referenced document (including any amendments) applies.

NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee

their long term validity.

The following referenced documents are not necessary for the application of the present document but they assist the

user with regard to a particular subject area.

[i.1] Directive 2014/53/EU of the European Parliament and of the council of 16 April 2014 on the

harmonisation of the laws of the Member States relating to the making available on the market of

radio equipment and repealing Directive 1999/5/EC.

[i.2] ECC/DEC/(06)08: "ECC Decision of 1 December 2006 on the conditions for use of the radio

spectrum by Ground- and Wall- Probing Radar (GPR/WPR) imaging systems".

[i.3] ETSI TS 103 051 (V1.1.1) (08-2011): "Electromagnetic compatibility and Radio spectrum Matters

(ERM); Expanded measurement uncertainty for the measurement of radiated electromagnetic

fields".
[i.4] Void.

[i.5] Commission Implementing Decision C(2015) 5376 final of 4.8.2015 on a standardisation request

to the European Committee for Electrotechnical Standardisation and to the European

Telecommunications Standards Institute as regards radio equipment in support of Directive

2014/53/EU of the European Parliament and of the Council.

[i.6] ETSI EG 203 336 (V1.1.1) (08-2015): "Electromagnetic compatibility and Radio spectrum

Matters (ERM); Guide for the selection of technical parameters for the production of Harmonised

Standards covering article 3.1(b) and article 3.2 of Directive 2014/53/EU".

[i.7] Recommendation ITU-R SM.1755: "Characteristics of ultra-wideband technology".

3 Definition of terms, symbols and abbreviations
3.1 Terms

For the purposes of the present document, the terms given in ETSI EN 303 883 [1] and the following apply:

footsize: outside dimension of the DUT in the horizontal plane

Pulse Repetition Frequency (PRF): inverse of the Pulse Repetition Interval (PRI), averaged over a sufficiently long

time to cover all PRI variations

Pulse Repetition Interval (PRI): time between the rising edges of the transmitted (pulsed) output power

small GPR/WPR: GPR/WPR having its largest dimension up to 1 meter in the horizontal plane

radiated measurements: measurements which involve the absolute measurement of a radiated field

time window: length of time that the GPR/WPR receiver is activated to collect reflections from a single transmitted

signal

undesired emissions: emissions radiated in all directions above the ground from the GPR/WPR equipment, including

direct emissions from the housing/structure of the equipment and emissions reflected or passing through the media

under inspection (see ETSI EG 203 336 [i.6])
user manual: end user documentation to be included with the device
ETSI
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9 Draft ETSI EN 302 066 V2.2.0 (2019-04)
3.2 Symbols

For the purposes of the present document, the symbols given in ETSI EN 303 883 [1] and the following apply:

dB DeciBel
dBi Gain in decibels relative to an isotropic antenna
D1 Difference between M and N
D2 Difference between M and I
E Electrical field strength
f Frequency at which the emission is the peak power at maximum
Ι Signal recorded by the receiver in presence of the interferer
λ Wavelength
M Maximum signal for the receiver in the linear region of operation
N Receiver noise level
3.3 Abbreviations

For the purposes of the present document, the abbreviations given in ETSI EN 303 883 [1] and the following apply:

CEPT European Conference of Postal and Telecommunications Administrations
DT DwellTime
DUT Device Under Test
e.r.p. effective radiated power
GPR Ground Probing Radar, Ground Penetrating Radar
PRF Pulse Repetition Frequency
PRI Pulse Repetition Interval
RNSS Radio Navigation Satellite Service
RX Receiver
SA Spectrum Analyser
ST ScanTime
TX Transmitter
WPR Wall Probing Radar
4 Technical requirements specifications
4.1 Environmental conditions

The technical requirements of the present document apply under the environmental pro

...

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