ETSI EN 303 204 V3.1.1 (2021-03)

Fixed Short Range Devices (SRD) in data networks; Radio equipment to be used in the 870 MHz to 876 MHz frequency range with power levels ranging up to 500 mW e.r.p.; Harmonised Standard for access to the radio spectrum

REN/ERM-TG28-555

Naprave kratkega dosega (SRD) v podatkovnih omrežjih - Radijska oprema, ki se uporablja v frekvenčnem območju od 870 MHz do 876 MHz z močnostnimi nivoji do največ 500 mW e.r.p. - Harmonizirani standard za dostop do radijskega spektra

General Information

• Status: Not Published
• Technical Committee: ERM TG28 - ERM Generic SRD's
• Current Stage: 12 - Citation in the OJ
• Due Date: 21-Jun-2021
• Completion Date: 20-Jul-2021
• Ref Project: SIST EN 303 204 V3.1.1:2021 - Fixed Short Range Devices (SRD) in data networks - Radio equipment to be used in the 870 MHz to 876 MHz frequency range with power levels ranging up to 500 mW e.r.p. - Harmonised Standard for access to the radio spectrum

Standards Content (Sample)

Draft ETSI EN 303 204 V3.0.0 (2020-05)

HARMONISED EUROPEAN STANDARD
Fixed Short Range Devices (SRD) in data networks;
Radio equipment to be used in the 870 MHz to 876 MHz
frequency range with power levels ranging up to 500 mW;
Harmonised Standard for access to the radio spectrum

2 Draft ETSI EN 303 204 V3.0.0 (2020-05)

Reference
REN/ERM-TG28-555
Keywords
harmonised standard, radio, SRD, testing

ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

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
3 Draft ETSI EN 303 204 V3.0.0 (2020-05)
Contents
Intellectual Property Rights . 14
Foreword . 14
Modal verbs terminology . 14
Introduction . 15
1 Scope . 19
2 References . 20
2.1 Normative references . 20
2.2 Informative references . 20
3 Definition of terms, symbols and abbreviations . 21
3.1 Terms . 21
3.2 Symbols . 23
3.3 Abbreviations . 23
4 Technical requirements specifications . 24
4.1 Environmental profile . 24
4.2 Conformance requirements . 24
4.2.1 General requirements . 24
4.2.2 Performance criteria . 24
4.2.3 Signal threshold . 25
4.2.4 Disregard time . 25
4.2.5 Transmission bandwidth . 25
4.2.6 Fixed frequency operating . 25
4.3 Requirements for transmitters . 25
4.3.1 Frequency drift . 25
4.3.1.1 Applicability. 25
4.3.1.2 Description . 25
4.3.1.3 Limits . 25
4.3.1.4 Conformance . 26
4.3.2 Operating frequencies and channel spacing . 26
4.3.2.1 Applicability. 26
4.3.2.2 Description . 26
4.3.2.3 Limits . 26
4.3.2.4 Conformance . 27
4.3.3 Effective radiated power . 27
4.3.3.1 Applicability. 27
4.3.3.2 Description . 27
4.3.3.3 Limits . 27
4.3.3.4 Conformance . 27
4.3.4 Transient power . 27
4.3.4.1 Applicability. 27
4.3.4.2 Description . 28
4.3.4.3 Limits . 28
4.3.4.4 Conformance . 28
4.3.5 Occupied bandwidth . 28
4.3.5.1 Applicability. 28
4.3.5.2 Description . 28
4.3.5.3 Limits . 28
4.3.5.4 Conformance . 29
4.3.6 Unwanted emissions in the out-of-band domain . 29
4.3.6.1 Applicability. 29
4.3.6.2 Description . 29
4.3.6.3 Limits . 30
4.3.6.4 Conformance . 30
4.3.7 Unwanted emissions in the spurious domain . 30
4.3.7.1 Applicability. 30
ETSI
4 Draft ETSI EN 303 204 V3.0.0 (2020-05)
4.3.7.2 Description . 31
4.3.7.3 Limits . 31
4.3.7.4 Conformance . 31
4.3.8 Frequency stability under low-voltage conditions . 31
4.3.8.1 Applicability. 31
4.3.8.2 Description . 31
4.3.8.3 Limits . 32
4.3.8.4 Conformance . 32
4.3.9 Duty cycle and transmission timing . 32
4.3.9.1 Applicability. 32
4.3.9.2 Description . 32
4.3.9.3 Long term behaviour . 32
4.3.9.4 Short term behaviour . 33
4.3.9.5 Limits . 33
4.3.9.6 Conformance . 33
4.3.10 Automatic/adaptive power control . 33
4.3.10.1 Applicability. 33
4.3.10.2 Description . 33
4.3.10.3 Limits . 34
4.3.10.4 Conformance . 34
4.4 Requirements for receivers . 34
4.4.1 Receiver sensitivity . 34
4.4.1.1 Applicability. 34
4.4.1.2 Description . 34
4.4.1.3 Limits . 34
4.4.1.4 Conformance . 34
4.4.2 Receiver maximum input signal level . 34
4.4.2.1 Applicability. 34
4.4.2.2 Description . 35
4.4.2.3 Limits . 35
4.4.2.4 Conformance . 35
4.4.3 Clear channel assessment threshold . 35
4.4.3.1 Applicability. 35
4.4.3.2 Description . 35
4.4.3.3 Limits . 35
4.4.3.4 Conformance . 35
4.4.4 Co-channel rejection . 35
4.4.4.1 Applicability. 35
4.4.4.2 Description . 35
4.4.4.3 Limits . 36
4.4.4.4 Conformance . 36
4.4.5 Adjacent channel selectivity . 36
4.4.5.1 Applicability. 36
4.4.5.2 Description . 36
4.4.5.3 Limits . 36
4.4.5.4 Conformance . 36
4.4.6 Blocking . 36
4.4.6.1 Applicability. 36
4.4.6.2 Description . 36
4.4.6.3 Limits . 37
4.4.6.4 Conformance . 37
4.4.7 Receiver spurious response rejection . 37
4.4.7.1 Applicability. 37
4.4.7.2 Description . 37
4.4.7.3 Limits . 37
4.4.7.4 Conformance . 37
4.4.8 Receiver intermodulation rejection . 37
4.4.8.1 Applicability. 37
4.4.8.2 Description . 37
4.4.8.3 Limits . 38
4.4.8.4 Conformance . 38
4.4.9 Receiver spurious emissions . 38
ETSI
5 Draft ETSI EN 303 204 V3.0.0 (2020-05)
4.4.9.1 Applicability. 38
4.4.9.2 Description . 38
4.4.9.3 Limits . 38
4.4.9.4 Conformance . 38
4.5 Requirements for polite spectrum access . 38
4.5.1 Listen before talk . 38
4.5.1.1 Applicability. 38
4.5.1.2 Description . 38
4.5.1.3 Limits . 39
4.5.1.4 Conformance . 39
4.5.2 Short control signalling transmissions . 39
4.5.2.1 Applicability. 39
4.5.2.2 Description . 39
4.5.2.3 Limits . 40
4.5.2.4 Conformance . 41
4.6 Functional requirements . 41
4.6.1 General considerations . 41
4.6.2 Network access point . 41
4.6.2.1 Applicability. 41
4.6.2.2 Description . 41
4.6.2.3 Limits . 41
4.6.2.4 Conformance . 41
5 Testing for compliance with technical requirements . 42
5.1 Environmental conditions for testing . 42
5.2 General conditions for testing . 42
5.2.1 General considerations . 42
5.2.2 Presentation of equipment for testing purposes . 42
5.2.2.1 General Considerations . 42
5.2.2.2 Choice of model for testing . 42
5.2.2.2.1 General considerations . 42
5.2.2.2.2 EUT with an external RF connector . 42
5.2.2.2.3 EUT without an external RF connector . 43
5.2.2.3 Testing of modular equipment . 43
5.2.2.4 Transmitter shut-off facility . 43
5.2.2.5 Battery saving circuit . 43
5.2.2.6 Test power source . 44
5.2.2.6.1 General considerations . 44
5.2.2.6.2 External test power source . 44
5.2.2.6.3 Internal test power source . 44
5.2.3 Normal and extreme test conditions. 44
5.2.3.1 Normal temperature and humidity . 44
5.2.3.2 Extreme temperatures . 44
5.2.3.2.1 Procedure for tests at extreme temperatures . 44
5.2.3.2.2 Procedure for equipment designed for continuous operation . 45
5.2.3.2.3 Procedure for equipment designed for intermittent operation . 45
5.2.3.2.4 Extreme temperature ranges . 45
5.2.3.3 Normal test power source . 45
5.2.3.3.1 Mains voltage . 45
5.2.3.3.2 Regulated lead-acid battery power sources . 45
5.2.3.3.3 Other power sources . 46
5.2.3.4 Extreme test source voltages . 46
5.2.3.4.1 Mains voltage . 46
5.2.3.4.2 Regulated lead-acid battery power sources . 46
5.2.3.4.3 Power sources using other types of batteries . 46
5.2.3.4.4 Other power sources . 46
5.2.4 Conducted measurements . 46
5.2.4.1 Artificial antenna . 46
5.2.4.2 Voltage Standing Wave Ratio (VSWR) . 46
5.2.5 Radiated measurements . 47
5.2.6 Measuring receiver . 47
5.2.6.1 General considerations . 47
ETSI
6 Draft ETSI EN 303 204 V3.0.0 (2020-05)
5.2.6.2 Reference Bandwidth . 47
5.2.7 Transmitter test signals . 48
5.2.8 Applicable measurement methods . 48
5.2.9 Modes of operation . 49
5.2.9.1 Test mode . 49
5.2.9.2 Transmitter operation . 49
5.2.9.3 Testing of multi-frequency or channel agile equipment . 50
5.2.9.4 Non-uniform maximum transmit power . 50
5.3 Conformance methods of measurement for transmitters . 50
5.3.1 Frequency drift . 50
5.3.1.1 Test conditions . 50
5.3.1.2 Measurement procedure . 51
5.3.2 Operating frequencies . 52
5.3.2.1 Test conditions . 52
5.3.2.2 Measurement procedure . 52
5.3.3 Effective radiated power . 53
5.3.3.1 Test conditions . 53
5.3.3.2 Radiated measurement procedure . 53
5.3.3.3 Conducted measurement procedure . 55
5.3.4 Transient power . 55
5.3.4.1 Test conditions . 55
5.3.4.2 Measurement procedure . 56
5.3.5 Occupied bandwidth . 57
5.3.5.1 Test conditions . 57
5.3.5.2 Measurement procedure . 57
5.3.6 Unwanted emissions in the out-of-band domain . 59
5.3.6.1 Test conditions . 59
5.3.6.2 Measurement procedure . 60
5.3.7 Unwanted emissions in the spurious domain . 61
5.3.7.1 Test conditions . 61
5.3.7.2 Radiated measurement . 62
5.3.7.3 Cabinet radiation measurement . 62
5.3.7.4 Conducted measurement . 62
5.3.7.5 Measurement procedure . 62
5.3.7.5.1 Conducted measurement. 62
5.3.7.5.2 Radiated measurement . 63
5.3.8 Frequency stability under low-voltage conditions . 64
5.3.8.1 Test conditions . 64
5.3.8.2 Measurement procedure . 64
5.3.9 Duty cycle and transmission timing . 65
5.3.9.1 Long term behaviour . 65
5.3.9.1.1 Test conditions . 65
5.3.9.1.2 Measurement procedure . 65
5.3.9.2 Short term behaviour . 66
5.3.9.2.1 Test conditions . 66
5.3.9.2.2 Measurement procedure . 66
5.3.10 Automatic/adaptive power control . 67
5.3.10.1 Test conditions . 67
5.3.10.2 Measurement procedure . 67
5.4 Conformance test suites for receivers . 68
5.4.1 Receiver sensitivity . 68
5.4.1.1 Test conditions . 68
5.4.1.2 Radiated measurement . 68
5.4.1.3 Conducted measurement . 71
5.4.1.4 Measurement procedure . 71
5.4.2 Receiver maximum input signal level . 72
5.4.2.1 Test conditions . 72
5.4.2.2 Radiated measurement . 72
5.4.2.3 Conducted measurement . 73
5.4.2.4 Measurement procedure . 73
5.4.3 Clear channel assessment threshold . 74
5.4.3.1 Test conditions . 74
ETSI
7 Draft ETSI EN 303 204 V3.0.0 (2020-05)
5.4.3.2 Radiated measurement . 74
5.4.3.3 Conducted measurement . 74
5.4.3.4 Measurement procedure . 75
5.4.4 Co-channel rejection . 76
5.4.4.1 Test conditions . 76
5.4.4.2 Measurement procedure . 76
5.4.5 Adjacent channel selectivity . 77
5.4.5.1 Test conditions . 77
5.4.5.2 Measurement procedure . 77
5.4.6 Blocking and spurious response rejection . 78
5.4.6.1 Test conditions . 78
5.4.6.2 Measurement procedure . 78
5.4.7 Intermodulation rejection . 79
5.4.7.1 Test conditions . 79
5.4.7.2 Radiated measurement procedure . 80
5.4.7.3 Conducted measurement procedure . 81
5.4.7.4 Measurement procedure . 82
5.4.8 Receiver spurious emissions . 82
5.4.8.1 Test conditions . 82
5.4.8.2 Radiated measurement . 83
5.4.8.3 Cabinet radiation measurement . 83
5.4.8.4 Conducted measurement . 83
5.4.8.5 Measurement procedure . 83
5.4.8.5.1 Conducted measurement. 83
5.
...

Final draft ETSI EN 303 204 V3.1.0 (2020-12)

HARMONISED EUROPEAN STANDARD
Fixed Short Range Devices (SRD) in data networks;
Radio equipment to be used in the 870 MHz to 876 MHz
frequency range with power levels
ranging up to 500 mW e.r.p.;
Harmonised Standard for access to the radio spectrum

2 Final draft ETSI EN 303 204 V3.1.0 (2020-12)

Reference
REN/ERM-TG28-555
Keywords
harmonised standard, radio, SRD, testing

ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

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
3 Final draft ETSI EN 303 204 V3.1.0 (2020-12)
Contents
Intellectual Property Rights . 14
Foreword . 14
Modal verbs terminology . 14
Introduction . 15
1 Scope . 19
2 References . 20
2.1 Normative references . 20
2.2 Informative references . 20
3 Definition of terms, symbols and abbreviations . 21
3.1 Terms . 21
3.2 Symbols . 23
3.3 Abbreviations . 23
4 Technical requirements specifications . 24
4.1 Environmental profile . 24
4.2 Conformance requirements . 24
4.2.1 General requirements . 24
4.2.2 Performance criteria . 24
4.2.3 Signal threshold . 25
4.2.4 Disregard time . 25
4.2.5 Transmission bandwidth . 25
4.2.6 Fixed frequency operating . 25
4.3 Requirements for transmitters . 25
4.3.1 Frequency drift . 25
4.3.1.1 Applicability. 25
4.3.1.2 Description . 25
4.3.1.3 Limits . 25
4.3.1.4 Conformance . 26
4.3.2 Operating frequencies and channel spacing . 26
4.3.2.1 Applicability. 26
4.3.2.2 Description . 26
4.3.2.3 Limits . 26
4.3.2.4 Conformance . 27
4.3.3 Effective radiated power . 27
4.3.3.1 Applicability. 27
4.3.3.2 Description . 27
4.3.3.3 Limits . 27
4.3.3.4 Conformance . 27
4.3.4 Transient power . 28
4.3.4.1 Applicability. 28
4.3.4.2 Description . 28
4.3.4.3 Limits . 28
4.3.4.4 Conformance . 28
4.3.5 Occupied bandwidth . 28
4.3.5.1 Applicability. 28
4.3.5.2 Description . 28
4.3.5.3 Limits . 28
4.3.5.4 Conformance . 29
4.3.6 Unwanted emissions in the out-of-band domain . 29
4.3.6.1 Applicability. 29
4.3.6.2 Description . 29
4.3.6.3 Limits . 30
4.3.6.4 Conformance . 30
4.3.7 Unwanted emissions in the spurious domain . 30
4.3.7.1 Applicability. 30
ETSI
4 Final draft ETSI EN 303 204 V3.1.0 (2020-12)
4.3.7.2 Description . 31
4.3.7.3 Limits . 31
4.3.7.4 Conformance . 31
4.3.8 Frequency stability under low-voltage conditions . 31
4.3.8.1 Applicability. 31
4.3.8.2 Description . 31
4.3.8.3 Limits . 32
4.3.8.4 Conformance . 32
4.3.9 Duty cycle and transmission timing . 32
4.3.9.1 Applicability. 32
4.3.9.2 Description . 32
4.3.9.3 Long term behaviour . 32
4.3.9.4 Short term behaviour . 33
4.3.9.5 Limits . 33
4.3.9.6 Conformance . 33
4.3.10 Automatic/adaptive power control . 33
4.3.10.1 Applicability. 33
4.3.10.2 Description . 33
4.3.10.3 Limits . 34
4.3.10.4 Conformance . 34
4.4 Requirements for receivers . 34
4.4.1 Receiver sensitivity . 34
4.4.1.1 Applicability. 34
4.4.1.2 Description . 34
4.4.1.3 Limits . 34
4.4.1.4 Conformance . 34
4.4.2 Receiver maximum input signal level . 34
4.4.2.1 Applicability. 34
4.4.2.2 Description . 35
4.4.2.3 Limits . 35
4.4.2.4 Conformance . 35
4.4.3 Clear channel assessment threshold . 35
4.4.3.1 Applicability. 35
4.4.3.2 Description . 35
4.4.3.3 Limits . 35
4.4.3.4 Conformance . 35
4.4.4 Co-channel rejection . 35
4.4.4.1 Applicability. 35
4.4.4.2 Description . 35
4.4.4.3 Limits . 36
4.4.4.4 Conformance . 36
4.4.5 Adjacent channel selectivity . 36
4.4.5.1 Applicability. 36
4.4.5.2 Description . 36
4.4.5.3 Limits . 36
4.4.5.4 Conformance . 36
4.4.6 Blocking . 36
4.4.6.1 Applicability. 36
4.4.6.2 Description . 36
4.4.6.3 Limits . 37
4.4.6.4 Conformance . 37
4.4.7 Receiver spurious response rejection . 37
4.4.7.1 Applicability. 37
4.4.7.2 Description . 37
4.4.7.3 Limits . 37
4.4.7.4 Conformance . 37
4.4.8 Receiver intermodulation rejection . 37
4.4.8.1 Applicability. 37
4.4.8.2 Description . 37
4.4.8.3 Limits . 38
4.4.8.4 Conformance . 38
4.4.9 Receiver spurious emissions . 38
ETSI
5 Final draft ETSI EN 303 204 V3.1.0 (2020-12)
4.4.9.1 Applicability. 38
4.4.9.2 Description . 38
4.4.9.3 Limits . 38
4.4.9.4 Conformance . 38
4.5 Requirements for polite spectrum access . 38
4.5.1 Listen before talk . 38
4.5.1.1 Applicability. 38
4.5.1.2 Description . 38
4.5.1.3 Limits . 39
4.5.1.4 Conformance . 39
4.5.2 Short control signalling transmissions . 39
4.5.2.1 Applicability. 39
4.5.2.2 Description . 39
4.5.2.3 Limits . 40
4.5.2.4 Conformance . 41
4.6 Functional requirements . 41
4.6.1 General considerations . 41
4.6.2 Network access point . 41
4.6.2.1 Applicability. 41
4.6.2.2 Description . 41
4.6.2.3 Limits . 41
4.6.2.4 Conformance . 41
5 Testing for compliance with technical requirements . 42
5.1 Environmental conditions for testing . 42
5.2 General conditions for testing . 42
5.2.1 General considerations . 42
5.2.2 Presentation of equipment for testing purposes . 42
5.2.2.1 General Considerations . 42
5.2.2.2 Choice of model for testing . 42
5.2.2.2.1 General considerations . 42
5.2.2.2.2 EUT with an external RF connector . 42
5.2.2.2.3 EUT without an external RF connector . 43
5.2.2.3 Testing of modular equipment . 43
5.2.2.4 Transmitter shut-off facility . 43
5.2.2.5 Battery saving circuit . 43
5.2.2.6 Test power source . 44
5.2.2.6.1 General considerations . 44
5.2.2.6.2 External test power source . 44
5.2.2.6.3 Internal test power source . 44
5.2.3 Normal and extreme test conditions. 44
5.2.3.1 Normal temperature and humidity . 44
5.2.3.2 Extreme temperatures . 44
5.2.3.2.1 Procedure for tests at extreme temperatures . 44
5.2.3.2.2 Procedure for equipment designed for continuous operation . 45
5.2.3.2.3 Procedure for equipment designed for intermittent operation . 45
5.2.3.2.4 Extreme temperature ranges . 45
5.2.3.3 Normal test power source . 45
5.2.3.3.1 Mains voltage . 45
5.2.3.3.2 Regulated lead-acid battery power sources . 45
5.2.3.3.3 Other power sources . 45
5.2.3.4 Extreme test source voltages . 46
5.2.3.4.1 Mains voltage . 46
5.2.3.4.2 Regulated lead-acid battery power sources . 46
5.2.3.4.3 Power sources using other types of batteries . 46
5.2.3.4.4 Other power sources . 46
5.2.4 Conducted measurements . 46
5.2.4.1 Artificial antenna . 46
5.2.4.2 Voltage Standing Wave Ratio (VSWR) . 46
5.2.5 Radiated measurements . 46
5.2.6 Measuring receiver . 47
5.2.6.1 General considerations . 47
ETSI
6 Final draft ETSI EN 303 204 V3.1.0 (2020-12)
5.2.6.2 Reference Bandwidth . 47
5.2.7 Transmitter test signals . 47
5.2.8 Applicable measurement methods . 48
5.2.9 Modes of operation . 49
5.2.9.1 Test mode . 49
5.2.9.2 Transmitter operation . 49
5.2.9.3 Testing of multi-frequency or channel agile equipment . 50
5.2.9.4 Non-uniform maximum transmit power . 50
5.3 Conformance methods of measurement for transmitters . 50
5.3.1 Frequency drift . 50
5.3.1.1 Test conditions . 50
5.3.1.2 Measurement procedure . 51
5.3.2 Operating frequencies . 52
5.3.2.1 Test conditions . 52
5.3.2.2 Measurement procedure . 52
5.3.3 Effective radiated power . 53
5.3.3.1 Test conditions . 53
5.3.3.2 Radiated measurement procedure . 53
5.3.3.3 Conducted measurement procedure . 55
5.3.4 Transient power . 55
5.3.4.1 Test conditions . 55
5.3.4.2 Measurement procedure . 56
5.3.5 Occupied bandwidth . 57
5.3.5.1 Test conditions . 57
5.3.5.2 Measurement procedure . 57
5.3.6 Unwanted emissions in the out-of-band domain . 59
5.3.6.1 Test conditions . 59
5.3.6.2 Measurement procedure . 60
5.3.7 Unwanted emissions in the spurious domain . 61
5.3.7.1 Test conditions . 61
5.3.7.2 Radiated measurement . 62
5.3.7.3 Cabinet radiation measurement . 62
5.3.7.4 Conducted measurement . 62
5.3.7.5 Measurement procedure . 62
5.3.7.5.1 Conducted measurement. 62
5.3.7.5.2 Radiated measurement . 63
5.3.8 Frequency stability under low-voltage conditions . 64
5.3.8.1 Test conditions . 64
5.3.8.2 Measurement procedure . 64
5.3.9 Duty cycle and transmission timing . 65
5.3.9.1 Long term behaviour . 65
5.3.9.1.1 Test conditions . 65
5.3.9.1.2 Measurement procedure . 65
5.3.9.2 Short term behaviour . 66
5.3.9.2.1 Test conditions . 66
5.3.9.2.2 Measurement procedure . 66
5.3.10 Automatic/adaptive power control . 67
5.3.10.1 Test conditions . 67
5.3.10.2 Conducted measurement procedure . 67
5.3.10.3 Radiated measurement procedure . 68
5.3.10.4 Measurement procedure . 68
5.4 Conformance test suites for receivers . 69
5.4.1 Receiver sensitivity . 69
5.4.1.1 Test conditions . 69
5.4.1.2 Radiated measurement . 69
5.4.1.3 Conducted measurement . 72
5.4.1.4 Measurement procedure . 72
5.4.2 Receiver maximum input signal level . 73
5.4.2.1 Test conditions . 73
5.4.2.2 Radiated measurement . 73
5.4.2.3 Conducted measurement . 73
5.4.2.4 Measurement procedure . 74
ETSI
7 Final draft ETSI EN 303 204 V3.1.0 (2020-12)
5.4.3 Clear channel assessment threshold . 74
5.4.3.1 Test conditions . 74
5.4.3.2 Radiated measurement . 75
5.4.3.3 Conducted measurement . 75
5.4.3.4 Measurement procedure . 76
5.4.4 Co-channel rejection . 77
5.4.4.1 Test conditions . 77
5.4.4.2 Measurement procedure . 77
5.4.5 Adjacent channel selectivity . 78
5.4.5.1 Test conditions . 78
5.4.5.2 Measurement procedure . 78
5.4.6 Blocking and spurious response rejection . 79
5.4.6.1 Test conditions . 79
5.4.6.2 Measurement procedure . 79
5.4.7 Intermodulation rejection . 80
5.4.7.1 Test conditions . 80
5.4.7.2 Radiated measurement procedure . 81
5.4.7.3 Conducted measurement procedure . 82
5.4.7.4 Measurement procedure . 83
5.4.8 Receiver spurious emissions . 83
5.4.8.1 Test conditions . 83
5.4.8.2 Radiated measurement . 84
5.4.8.3 Cabinet radiation measurement . 84
5.4.8.4 Conducted measurement .
...

HARMONISED EUROPEAN STANDARD
Fixed Short Range Devices (SRD) in data networks;
Radio equipment to be used in the 870 MHz to 876 MHz
frequency range with power levels
ranging up to 500 mW e.r.p.;
Harmonised Standard for access to the radio spectrum

2 ETSI EN 303 204 V3.1.1 (2021-03)

Reference
REN/ERM-TG28-555
Keywords
harmonised standard, radio, SRD, testing

ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

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 2021.
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
3 ETSI EN 303 204 V3.1.1 (2021-03)
Contents
Intellectual Property Rights . 14
Foreword . 14
Modal verbs terminology . 14
Introduction . 15
1 Scope . 19
2 References . 20
2.1 Normative references . 20
2.2 Informative references . 20
3 Definition of terms, symbols and abbreviations . 21
3.1 Terms . 21
3.2 Symbols . 23
3.3 Abbreviations . 23
4 Technical requirements specifications . 24
4.1 Environmental profile . 24
4.2 Conformance requirements . 24
4.2.1 General requirements . 24
4.2.2 Performance criteria . 24
4.2.3 Signal threshold . 25
4.2.4 Disregard time . 25
4.2.5 Transmission bandwidth . 25
4.2.6 Fixed frequency operating . 25
4.3 Requirements for transmitters . 25
4.3.1 Frequency drift . 25
4.3.1.1 Applicability. 25
4.3.1.2 Description . 25
4.3.1.3 Limits . 25
4.3.1.4 Conformance . 26
4.3.2 Operating frequencies and channel spacing . 26
4.3.2.1 Applicability. 26
4.3.2.2 Description . 26
4.3.2.3 Limits . 26
4.3.2.4 Conformance . 27
4.3.3 Effective radiated power . 27
4.3.3.1 Applicability. 27
4.3.3.2 Description . 27
4.3.3.3 Limits . 27
4.3.3.4 Conformance . 27
4.3.4 Transient power . 28
4.3.4.1 Applicability. 28
4.3.4.2 Description . 28
4.3.4.3 Limits . 28
4.3.4.4 Conformance . 28
4.3.5 Occupied bandwidth . 28
4.3.5.1 Applicability. 28
4.3.5.2 Description . 28
4.3.5.3 Limits . 28
4.3.5.4 Conformance . 29
4.3.6 Unwanted emissions in the out-of-band domain . 29
4.3.6.1 Applicability. 29
4.3.6.2 Description . 29
4.3.6.3 Limits . 30
4.3.6.4 Conformance . 30
4.3.7 Unwanted emissions in the spurious domain . 30
4.3.7.1 Applicability. 30
ETSI
4 ETSI EN 303 204 V3.1.1 (2021-03)
4.3.7.2 Description . 31
4.3.7.3 Limits . 31
4.3.7.4 Conformance . 31
4.3.8 Frequency stability under low-voltage conditions . 31
4.3.8.1 Applicability. 31
4.3.8.2 Description . 31
4.3.8.3 Limits . 32
4.3.8.4 Conformance . 32
4.3.9 Duty cycle and transmission timing . 32
4.3.9.1 Applicability. 32
4.3.9.2 Description . 32
4.3.9.3 Long term behaviour . 32
4.3.9.4 Short term behaviour . 33
4.3.9.5 Limits . 33
4.3.9.6 Conformance . 33
4.3.10 Automatic/adaptive power control . 33
4.3.10.1 Applicability. 33
4.3.10.2 Description . 33
4.3.10.3 Limits . 34
4.3.10.4 Conformance . 34
4.4 Requirements for receivers . 34
4.4.1 Receiver sensitivity . 34
4.4.1.1 Applicability. 34
4.4.1.2 Description . 34
4.4.1.3 Limits . 34
4.4.1.4 Conformance . 34
4.4.2 Receiver maximum input signal level . 34
4.4.2.1 Applicability. 34
4.4.2.2 Description . 35
4.4.2.3 Limits . 35
4.4.2.4 Conformance . 35
4.4.3 Clear channel assessment threshold . 35
4.4.3.1 Applicability. 35
4.4.3.2 Description . 35
4.4.3.3 Limits . 35
4.4.3.4 Conformance . 35
4.4.4 Co-channel rejection . 35
4.4.4.1 Applicability. 35
4.4.4.2 Description . 35
4.4.4.3 Limits . 36
4.4.4.4 Conformance . 36
4.4.5 Adjacent channel selectivity . 36
4.4.5.1 Applicability. 36
4.4.5.2 Description . 36
4.4.5.3 Limits . 36
4.4.5.4 Conformance . 36
4.4.6 Blocking . 36
4.4.6.1 Applicability. 36
4.4.6.2 Description . 36
4.4.6.3 Limits . 37
4.4.6.4 Conformance . 37
4.4.7 Receiver spurious response rejection . 37
4.4.7.1 Applicability. 37
4.4.7.2 Description . 37
4.4.7.3 Limits . 37
4.4.7.4 Conformance . 37
4.4.8 Receiver intermodulation rejection . 37
4.4.8.1 Applicability. 37
4.4.8.2 Description . 37
4.4.8.3 Limits . 38
4.4.8.4 Conformance . 38
4.4.9 Receiver spurious emissions . 38
ETSI
5 ETSI EN 303 204 V3.1.1 (2021-03)
4.4.9.1 Applicability. 38
4.4.9.2 Description . 38
4.4.9.3 Limits . 38
4.4.9.4 Conformance . 38
4.5 Requirements for polite spectrum access . 38
4.5.1 Listen before talk . 38
4.5.1.1 Applicability. 38
4.5.1.2 Description . 38
4.5.1.3 Limits . 39
4.5.1.4 Conformance . 39
4.5.2 Short control signalling transmissions . 39
4.5.2.1 Applicability. 39
4.5.2.2 Description . 39
4.5.2.3 Limits . 40
4.5.2.4 Conformance . 41
4.6 Functional requirements . 41
4.6.1 General considerations . 41
4.6.2 Network access point . 41
4.6.2.1 Applicability. 41
4.6.2.2 Description . 41
4.6.2.3 Limits . 41
4.6.2.4 Conformance . 41
5 Testing for compliance with technical requirements . 42
5.1 Environmental conditions for testing . 42
5.2 General conditions for testing . 42
5.2.1 General considerations . 42
5.2.2 Presentation of equipment for testing purposes . 42
5.2.2.1 General Considerations . 42
5.2.2.2 Choice of model for testing . 42
5.2.2.2.1 General considerations . 42
5.2.2.2.2 EUT with an external RF connector . 42
5.2.2.2.3 EUT without an external RF connector . 43
5.2.2.3 Testing of modular equipment . 43
5.2.2.4 Transmitter shut-off facility . 43
5.2.2.5 Battery saving circuit . 43
5.2.2.6 Test power source . 44
5.2.2.6.1 General considerations . 44
5.2.2.6.2 External test power source . 44
5.2.2.6.3 Internal test power source . 44
5.2.3 Normal and extreme test conditions. 44
5.2.3.1 Normal temperature and humidity . 44
5.2.3.2 Extreme temperatures . 44
5.2.3.2.1 Procedure for tests at extreme temperatures . 44
5.2.3.2.2 Procedure for equipment designed for continuous operation . 45
5.2.3.2.3 Procedure for equipment designed for intermittent operation . 45
5.2.3.2.4 Extreme temperature ranges . 45
5.2.3.3 Normal test power source . 45
5.2.3.3.1 Mains voltage . 45
5.2.3.3.2 Regulated lead-acid battery power sources . 45
5.2.3.3.3 Other power sources . 45
5.2.3.4 Extreme test source voltages . 46
5.2.3.4.1 Mains voltage . 46
5.2.3.4.2 Regulated lead-acid battery power sources . 46
5.2.3.4.3 Power sources using other types of batteries . 46
5.2.3.4.4 Other power sources . 46
5.2.4 Conducted measurements . 46
5.2.4.1 Artificial antenna . 46
5.2.4.2 Voltage Standing Wave Ratio (VSWR) . 46
5.2.5 Radiated measurements . 46
5.2.6 Measuring receiver . 47
5.2.6.1 General considerations . 47
ETSI
6 ETSI EN 303 204 V3.1.1 (2021-03)
5.2.6.2 Reference Bandwidth . 47
5.2.7 Transmitter test signals . 47
5.2.8 Applicable measurement methods . 48
5.2.9 Modes of operation . 49
5.2.9.1 Test mode . 49
5.2.9.2 Transmitter operation . 49
5.2.9.3 Testing of multi-frequency or channel agile equipment . 50
5.2.9.4 Non-uniform maximum transmit power . 50
5.3 Conformance methods of measurement for transmitters . 50
5.3.1 Frequency drift . 50
5.3.1.1 Test conditions . 50
5.3.1.2 Measurement procedure . 51
5.3.2 Operating frequencies . 52
5.3.2.1 Test conditions . 52
5.3.2.2 Measurement procedure . 52
5.3.3 Effective radiated power . 53
5.3.3.1 Test conditions . 53
5.3.3.2 Radiated measurement procedure . 53
5.3.3.3 Conducted measurement procedure . 55
5.3.4 Transient power . 55
5.3.4.1 Test conditions . 55
5.3.4.2 Measurement procedure . 56
5.3.5 Occupied bandwidth . 57
5.3.5.1 Test conditions . 57
5.3.5.2 Measurement procedure . 57
5.3.6 Unwanted emissions in the out-of-band domain . 59
5.3.6.1 Test conditions . 59
5.3.6.2 Measurement procedure . 60
5.3.7 Unwanted emissions in the spurious domain . 61
5.3.7.1 Test conditions . 61
5.3.7.2 Radiated measurement . 62
5.3.7.3 Cabinet radiation measurement . 62
5.3.7.4 Conducted measurement . 62
5.3.7.5 Measurement procedure . 62
5.3.7.5.1 Conducted measurement. 62
5.3.7.5.2 Radiated measurement . 63
5.3.8 Frequency stability under low-voltage conditions . 64
5.3.8.1 Test conditions . 64
5.3.8.2 Measurement procedure . 64
5.3.9 Duty cycle and transmission timing . 65
5.3.9.1 Long term behaviour . 65
5.3.9.1.1 Test conditions . 65
5.3.9.1.2 Measurement procedure . 65
5.3.9.2 Short term behaviour . 66
5.3.9.2.1 Test conditions . 66
5.3.9.2.2 Measurement procedure . 66
5.3.10 Automatic/adaptive power control . 67
5.3.10.1 Test conditions . 67
5.3.10.2 Conducted measurement procedure . 67
5.3.10.3 Radiated measurement procedure . 68
5.3.10.4 Measurement procedure . 68
5.4 Conformance test suites for receivers . 69
5.4.1 Receiver sensitivity . 69
5.4.1.1 Test conditions . 69
5.4.1.2 Radiated measurement . 69
5.4.1.3 Conducted measurement . 72
5.4.1.4 Measurement procedure . 72
5.4.2 Receiver maximum input signal level . 73
5.4.2.1 Test conditions . 73
5.4.2.2 Radiated measurement . 73
5.4.2.3 Conducted measurement . 73
5.4.2.4 Measurement procedure . 74
ETSI
7 ETSI EN 303 204 V3.1.1 (2021-03)
5.4.3 Clear channel assessment threshold . 74
5.4.3.1 Test conditions . 74
5.4.3.2 Radiated measurement . 75
5.4.3.3 Conducted measurement . 75
5.4.3.4 Measurement procedure . 76
5.4.4 Co-channel rejection . 77
5.4.4.1 Test conditions . 77
5.4.4.2 Measurement procedure . 77
5.4.5 Adjacent channel selectivity . 78
5.4.5.1 Test conditions . 78
5.4.5.2 Measurement procedure . 78
5.4.6 Blocking and spurious response rejection . 79
5.4.6.1 Test conditions . 79
5.4.6.2 Measurement procedure . 79
5.4.7 Intermodulation rejection . 80
5.4.7.1 Test conditions . 80
5.4.7.2 Radiated measurement procedure . 81
5.4.7.3 Conducted measurement procedure . 82
5.4.7.4 Measurement procedure . 83
5.4.8 Receiver spurious emissions . 83
5.4.8.1 Test conditions . 83
5.4.8.2 Radiated measurement . 84
5.4.8.3 Cabinet radiation measurement . 84
5.4.8.4 Conducted measurement . 84
5.4.8.5 Measurement procedure .
...

SLOVENSKI STANDARD
01-maj-2021
Naprave kratkega dosega (SRD) v podatkovnih omrežjih - Radijska oprema, ki se
uporablja v frekvenčnem območju od 870 MHz do 876 MHz z močnostnimi nivoji
do največ 500 mW e.r.p. - Harmonizirani standard za dostop do radijskega spektra
Fixed Short Range Devices (SRD) in data networks - Radio equipment to be used in the
870 MHz to 876 MHz frequency range with power levels ranging up to 500 mW e.r.p. -
Harmonised Standard for access to the radio spectrum
Ta slovenski standard je istoveten z: ETSI EN 303 204 V3.1.1 (2021-03)
ICS:
33.060.20 Sprejemna in oddajna Receiving and transmitting
oprema equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

HARMONISED EUROPEAN STANDARD
Fixed Short Range Devices (SRD) in data networks;
Radio equipment to be used in the 870 MHz to 876 MHz
frequency range with power levels
ranging up to 500 mW e.r.p.;
Harmonised Standard for access to the radio spectrum

2 ETSI EN 303 204 V3.1.1 (2021-03)

Reference
REN/ERM-TG28-555
Keywords
harmonised standard, radio, SRD, testing

ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

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 2021.
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
3 ETSI EN 303 204 V3.1.1 (2021-03)
Contents
Intellectual Property Rights . 14
Foreword . 14
Modal verbs terminology . 14
Introduction . 15
1 Scope . 19
2 References . 20
2.1 Normative references . 20
2.2 Informative references . 20
3 Definition of terms, symbols and abbreviations . 21
3.1 Terms . 21
3.2 Symbols . 23
3.3 Abbreviations . 23
4 Technical requirements specifications . 24
4.1 Environmental profile . 24
4.2 Conformance requirements . 24
4.2.1 General requirements . 24
4.2.2 Performance criteria . 24
4.2.3 Signal threshold . 25
4.2.4 Disregard time . 25
4.2.5 Transmission bandwidth . 25
4.2.6 Fixed frequency operating . 25
4.3 Requirements for transmitters . 25
4.3.1 Frequency drift . 25
4.3.1.1 Applicability. 25
4.3.1.2 Description . 25
4.3.1.3 Limits . 25
4.3.1.4 Conformance . 26
4.3.2 Operating frequencies and channel spacing . 26
4.3.2.1 Applicability. 26
4.3.2.2 Description . 26
4.3.2.3 Limits . 26
4.3.2.4 Conformance . 27
4.3.3 Effective radiated power . 27
4.3.3.1 Applicability. 27
4.3.3.2 Description . 27
4.3.3.3 Limits . 27
4.3.3.4 Conformance . 27
4.3.4 Transient power . 28
4.3.4.1 Applicability. 28
4.3.4.2 Description . 28
4.3.4.3 Limits . 28
4.3.4.4 Conformance . 28
4.3.5 Occupied bandwidth . 28
4.3.5.1 Applicability. 28
4.3.5.2 Description . 28
4.3.5.3 Limits . 28
4.3.5.4 Conformance . 29
4.3.6 Unwanted emissions in the out-of-band domain . 29
4.3.6.1 Applicability. 29
4.3.6.2 Description . 29
4.3.6.3 Limits . 30
4.3.6.4 Conformance . 30
4.3.7 Unwanted emissions in the spurious domain . 30
4.3.7.1 Applicability. 30
ETSI
4 ETSI EN 303 204 V3.1.1 (2021-03)
4.3.7.2 Description . 31
4.3.7.3 Limits . 31
4.3.7.4 Conformance . 31
4.3.8 Frequency stability under low-voltage conditions . 31
4.3.8.1 Applicability. 31
4.3.8.2 Description . 31
4.3.8.3 Limits . 32
4.3.8.4 Conformance . 32
4.3.9 Duty cycle and transmission timing . 32
4.3.9.1 Applicability. 32
4.3.9.2 Description . 32
4.3.9.3 Long term behaviour . 32
4.3.9.4 Short term behaviour . 33
4.3.9.5 Limits . 33
4.3.9.6 Conformance . 33
4.3.10 Automatic/adaptive power control . 33
4.3.10.1 Applicability. 33
4.3.10.2 Description . 33
4.3.10.3 Limits . 34
4.3.10.4 Conformance . 34
4.4 Requirements for receivers . 34
4.4.1 Receiver sensitivity . 34
4.4.1.1 Applicability. 34
4.4.1.2 Description . 34
4.4.1.3 Limits . 34
4.4.1.4 Conformance . 34
4.4.2 Receiver maximum input signal level . 34
4.4.2.1 Applicability. 34
4.4.2.2 Description . 35
4.4.2.3 Limits . 35
4.4.2.4 Conformance . 35
4.4.3 Clear channel assessment threshold . 35
4.4.3.1 Applicability. 35
4.4.3.2 Description . 35
4.4.3.3 Limits . 35
4.4.3.4 Conformance . 35
4.4.4 Co-channel rejection . 35
4.4.4.1 Applicability. 35
4.4.4.2 Description . 35
4.4.4.3 Limits . 36
4.4.4.4 Conformance . 36
4.4.5 Adjacent channel selectivity . 36
4.4.5.1 Applicability. 36
4.4.5.2 Description . 36
4.4.5.3 Limits . 36
4.4.5.4 Conformance . 36
4.4.6 Blocking . 36
4.4.6.1 Applicability. 36
4.4.6.2 Description . 36
4.4.6.3 Limits . 37
4.4.6.4 Conformance . 37
4.4.7 Receiver spurious response rejection . 37
4.4.7.1 Applicability. 37
4.4.7.2 Description . 37
4.4.7.3 Limits . 37
4.4.7.4 Conformance . 37
4.4.8 Receiver intermodulation rejection . 37
4.4.8.1 Applicability. 37
4.4.8.2 Description . 37
4.4.8.3 Limits . 38
4.4.8.4 Conformance . 38
4.4.9 Receiver spurious emissions . 38
ETSI
5 ETSI EN 303 204 V3.1.1 (2021-03)
4.4.9.1 Applicability. 38
4.4.9.2 Description . 38
4.4.9.3 Limits . 38
4.4.9.4 Conformance . 38
4.5 Requirements for polite spectrum access . 38
4.5.1 Listen before talk . 38
4.5.1.1 Applicability. 38
4.5.1.2 Description . 38
4.5.1.3 Limits . 39
4.5.1.4 Conformance . 39
4.5.2 Short control signalling transmissions . 39
4.5.2.1 Applicability. 39
4.5.2.2 Description . 39
4.5.2.3 Limits . 40
4.5.2.4 Conformance . 41
4.6 Functional requirements . 41
4.6.1 General considerations . 41
4.6.2 Network access point . 41
4.6.2.1 Applicability. 41
4.6.2.2 Description . 41
4.6.2.3 Limits . 41
4.6.2.4 Conformance . 41
5 Testing for compliance with technical requirements . 42
5.1 Environmental conditions for testing . 42
5.2 General conditions for testing . 42
5.2.1 General considerations . 42
5.2.2 Presentation of equipment for testing purposes . 42
5.2.2.1 General Considerations . 42
5.2.2.2 Choice of model for testing . 42
5.2.2.2.1 General considerations . 42
5.2.2.2.2 EUT with an external RF connector . 42
5.2.2.2.3 EUT without an external RF connector . 43
5.2.2.3 Testing of modular equipment . 43
5.2.2.4 Transmitter shut-off facility . 43
5.2.2.5 Battery saving circuit . 43
5.2.2.6 Test power source . 44
5.2.2.6.1 General considerations . 44
5.2.2.6.2 External test power source . 44
5.2.2.6.3 Internal test power source . 44
5.2.3 Normal and extreme test conditions. 44
5.2.3.1 Normal temperature and humidity . 44
5.2.3.2 Extreme temperatures . 44
5.2.3.2.1 Procedure for tests at extreme temperatures . 44
5.2.3.2.2 Procedure for equipment designed for continuous operation . 45
5.2.3.2.3 Procedure for equipment designed for intermittent operation . 45
5.2.3.2.4 Extreme temperature ranges . 45
5.2.3.3 Normal test power source . 45
5.2.3.3.1 Mains voltage . 45
5.2.3.3.2 Regulated lead-acid battery power sources . 45
5.2.3.3.3 Other power sources . 45
5.2.3.4 Extreme test source voltages . 46
5.2.3.4.1 Mains voltage . 46
5.2.3.4.2 Regulated lead-acid battery power sources . 46
5.2.3.4.3 Power sources using other types of batteries . 46
5.2.3.4.4 Other power sources . 46
5.2.4 Conducted measurements . 46
5.2.4.1 Artificial antenna . 46
5.2.4.2 Voltage Standing Wave Ratio (VSWR) . 46
5.2.5 Radiated measurements . 46
5.2.6 Measuring receiver . 47
5.2.6.1 General considerations . 47
ETSI
6 ETSI EN 303 204 V3.1.1 (2021-03)
5.2.6.2 Reference Bandwidth . 47
5.2.7 Transmitter test signals . 47
5.2.8 Applicable measurement methods . 48
5.2.9 Modes of operation . 49
5.2.9.1 Test mode . 49
5.2.9.2 Transmitter operation . 49
5.2.9.3 Testing of multi-frequency or channel agile equipment . 50
5.2.9.4 Non-uniform maximum transmit power . 50
5.3 Conformance methods of measurement for transmitters . 50
5.3.1 Frequency drift . 50
5.3.1.1 Test conditions . 50
5.3.1.2 Measurement procedure . 51
5.3.2 Operating frequencies . 52
5.3.2.1 Test conditions . 52
5.3.2.2 Measurement procedure . 52
5.3.3 Effective radiated power . 53
5.3.3.1 Test conditions . 53
5.3.3.2 Radiated measurement procedure . 53
5.3.3.3 Conducted measurement procedure . 55
5.3.4 Transient power . 55
5.3.4.1 Test conditions . 55
5.3.4.2 Measurement procedure . 56
5.3.5 Occupied bandwidth . 57
5.3.5.1 Test conditions . 57
5.3.5.2 Measurement procedure . 57
5.3.6 Unwanted emissions in the out-of-band domain . 59
5.3.6.1 Test conditions . 59
5.3.6.2 Measurement procedure . 60
5.3.7 Unwanted emissions in the spurious domain . 61
5.3.7.1 Test conditions . 61
5.3.7.2 Radiated measurement . 62
5.3.7.3 Cabinet radiation measurement . 62
5.3.7.4 Conducted measurement . 62
5.3.7.5 Measurement procedure . 62
5.3.7.5.1 Conducted measurement. 62
5.3.7.5.2 Radiated measurement . 63
5.3.8 Frequency stability under low-voltage conditions . 64
5.3.8.1 Test conditions . 64
5.3.8.2 Measurement procedure . 64
5.3.9 Duty cycle and transmission timing . 65
5.3.9.1 Long term behaviour . 65
5.3.9.1.1 Test conditions . 65
5.3.9.1.2 Measurement procedure . 65
5.3.9.2 Short term behaviour . 66
5.3.9.2.1 Test conditions . 66
5.3.9.2.2 Measurement procedure . 66
5.3.10 Automatic/adaptive power control . 67
5.3.10.1 Test conditions . 67
5.3.10.2 Conducted measurement procedure . 67
5.3.10.3 Radiated measurement procedure . 68
5.3.10.4 Measurement procedure . 68
5.4 Conformance test suites for receivers . 69
5.4.1 Receiver sensitivity . 69
5.4.1.1 Test conditions . 69
5.4.1.2 Radiated measurement . 69
5.4.1.3 Conducted measurement . 72
5.4.1.4 Measurement procedure . 72
5.4.2 Receiver maximum input signal level . 73
5.4.2.1 Test conditions . 73
5.4.2.2 Radiated measurement . 73
5.4.2.3 Conducted measurement . 73
5.4.2.4 Measurement procedure . 74
ETSI
7 ETSI EN 303 204 V3.1.1 (2021-03)
5.4.3 Clear channel assessment threshold . 74
5.4.3.1 Test conditions . 74
5.4.3.2 Radiated measurement . 75
5.4.3.3 Conducted measurement . 75
5.4.3.4 Measurement procedure . 76
5.4.4 Co-channel rejection . 77
5.4.4.1 Test conditions . 77
5.4.4.2 Measurement procedure . 77
5.4.5 Adjacent channel selectivity . 78
5.4.5.1 Test conditions . 78
5.4.5.2 Measurement procedure . 78
5.4.6 Blocking and spurious response rejection . 79
5.4.6.1 Test conditions . 79
5.4.6.2 Measurement procedure . 79
5.4.7 Intermodulation rejection . 80
5.4.7.1 Test conditions . 80
5.4.7.2 Radiated measurement procedure .
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