SIST EN 303 851 V1.1.1:2025

Radio Frequency Identification - Equipment operating in the band 2 446 MHz to 2 454 MHz with power levels up to a maximum of 500 mW e.i.r.p. and up to a maximum of 4 W e.i.r.p. - Harmonised Standard for access to radio spectrum

DEN/ERM-TG34-269

Radiofrekvenčna identifikacija - Oprema, ki deluje v pasu od 2446 MHz do 2454 MHz z močjo do največ 500 mW e.i.r.p. in do največ 4 W e.i.r.p - Harmonizirani standard za dostop do radijskega spektra

General Information

• Status: Published
• Public Enquiry End Date: 31-Mar-2025
• Publication Date: 08-May-2025
• ICS: 33.060.01 - Radiocommunications in general
• Technical Committee: MOC - Mobile Communications
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 22-Apr-2025
• Due Date: 27-Jun-2025
• Completion Date: 09-May-2025
• Ref Project: ETSI EN 303 851 V1.1.1 (2025-04) - Radio Frequency Identification; Equipment operating in the band 2 446 MHz to 2 454 MHz with power levels up to a maximum of 500 mW e.i.r.p. and up to a maximum of 4 W e.i.r.p.; Harmonised Standard for access to radio spectrum

Standards Content (Sample)

Draft ETSI EN 303 851 V1.0.0 (2025-01)

HARMONISED EUROPEAN STANDARD
Radio Frequency Identification;
Equipment operating in the band 2 446 MHz to 2 454 MHz
with power levels up to a maximum of 500 mW e.i.r.p.
and up to a maximum of 4 W e.i.r.p.;
Harmonised Standard for access to radio spectrum

2 Draft ETSI EN 303 851 V1.0.0 (2025-01)

Reference
DEN/ERM-TG34-269
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 - APE 7112B
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° w061004871

Important notice
The present document can be downloaded from the
ETSI Search & Browse Standards application.
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 on ETSI deliver repository.
Users should be aware that the present document may be revised or have its status changed,
this information is available in the Milestones listing.
If you find errors in the present document, please send your comments to
the relevant service listed under Committee Support Staff.
If you find a security vulnerability in the present document, please report it through our
Coordinated Vulnerability Disclosure (CVD) program.
Notice of disclaimer & limitation of liability
The information provided in the present deliverable is directed solely to professionals who have the appropriate degree of
experience to understand and interpret its content in accordance with generally accepted engineering or
other professional standard and applicable regulations.
No recommendation as to products and services or vendors is made or should be implied.
In no event shall ETSI be held liable for loss of profits or any other incidental or consequential damages.

Any software contained in this deliverable is provided "AS IS" with no warranties, express or implied, including but not
limited to, the warranties of merchantability, fitness for a particular purpose and non-infringement of intellectual property
rights and ETSI shall not be held liable in any event for any damages whatsoever (including, without limitation, damages
for loss of profits, business interruption, loss of information, or any other pecuniary loss) arising out of or related to the use
of or inability to use the software.
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 2025.
All rights reserved.
ETSI
3 Draft ETSI EN 303 851 V1.0.0 (2025-01)
Contents
Intellectual Property Rights . 8
Foreword . 8
Modal verbs terminology . 9
1 Scope . 10
2 References . 10
2.1 Normative references . 10
2.2 Informative references . 10
3 Definition of terms, symbols and abbreviations . 11
3.1 Terms . 11
3.2 Symbols . 13
3.3 Abbreviations . 13
4 Technical requirements specifications . 14
4.0 General . 14
4.1 Environmental profile . 14
4.2 General conditions for operating . 14
4.2.1 Conformance requirements . 14
4.2.2 Designated frequencies . 14
4.2.2.1 EU wide harmonised national radio interface 2 446 MHz to 2 454 MHz . 14
4.2.2.2 National Radio Interfaces not EU wide harmonised from 2 446 MHz to 2 454 MHz . 15
4.2.3 Operating conditions . 15
4.3 Transmitter requirements . 16
4.3.1 Transmitter measurement requirements . 16
4.3.1.1 Applicability. 16
4.3.1.2 Methods of measurement and limits for transmitter parameters . 16
4.3.2 Equivalent isotropically radiated power (e.i.r.p.) . 16
4.3.2.1 Indoor and outdoor transmitters of 500 mW or less . 16
4.3.2.1.1 Applicability . 16
4.3.2.1.2 Definition. 16
4.3.2.1.3 Limits . 17
4.3.2.1.4 Conformance . 17
4.3.2.2 Indoor transmitters of 4 W or less . 17
4.3.2.2.1 Applicability . 17
4.3.2.2.2 Definition. 17
4.3.2.2.3 Limits . 18
4.3.2.2.4 Conformance . 18
4.3.3 Permitted range of operating frequencies . 18
4.3.3.1 Applicability. 18
4.3.3.2 Definition . 18
4.3.3.3 Limits . 18
4.3.3.4 Conformance . 18
4.3.4 Transmitter spectrum masks . 18
4.3.4.1 Applicability. 18
4.3.4.2 Definition . 19
4.3.4.3 Limits . 19
4.3.4.4 Conformance . 19
4.3.5 Unwanted emissions in the spurious domain . 19
4.3.5.1 Applicability. 19
4.3.5.2 Definition . 19
4.3.5.3 Limits . 19
4.3.5.4 Conformance . 20
4.3.6 Duty cycle . 20
4.3.6.1 Applicability. 20
4.3.6.2 Definition . 20
4.3.6.3 Limits . 20
ETSI
4 Draft ETSI EN 303 851 V1.0.0 (2025-01)
4.3.6.4 Conformance . 20
4.3.7 Additional requirements for FHSS equipment . 21
4.3.7.1 Applicability. 21
4.3.7.2 Definition . 21
4.3.7.3 Limits . 21
4.3.7.4 Conformance . 21
4.4 Receiver requirements . 21
4.4.1 General performance criteria . 21
4.4.2 Blocking or desensitization . 21
4.4.2.1 Applicability. 21
4.4.2.2 Definition . 21
4.4.2.3 Limits . 21
4.4.2.4 Conformance . 22
4.4.3 Spurious radiations . 22
4.4.3.1 Applicability. 22
4.4.3.2 Definition . 22
4.4.3.3 Limits . 22
4.4.3.4 Conformance .
...

HARMONISED EUROPEAN STANDARD
Radio Frequency Identification;
Equipment operating in the band 2 446 MHz to 2 454 MHz
with power levels up to a maximum of 500 mW e.i.r.p.
and up to a maximum of 4 W e.i.r.p.;
Harmonised Standard for access to radio spectrum

2 ETSI EN 303 851 V1.1.1 (2025-04)

Reference
DEN/ERM-TG34-269
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 - APE 7112B
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° w061004871

Important notice
The present document can be downloaded from the
ETSI Search & Browse Standards application.
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 on ETSI deliver repository.
Users should be aware that the present document may be revised or have its status changed,
this information is available in the Milestones listing.
If you find errors in the present document, please send your comments to
the relevant service listed under Committee Support Staff.
If you find a security vulnerability in the present document, please report it through our
Coordinated Vulnerability Disclosure (CVD) program.
Notice of disclaimer & limitation of liability
The information provided in the present deliverable is directed solely to professionals who have the appropriate degree of
experience to understand and interpret its content in accordance with generally accepted engineering or
other professional standard and applicable regulations.
No recommendation as to products and services or vendors is made or should be implied.
In no event shall ETSI be held liable for loss of profits or any other incidental or consequential damages.

Any software contained in this deliverable is provided "AS IS" with no warranties, express or implied, including but not
limited to, the warranties of merchantability, fitness for a particular purpose and non-infringement of intellectual property
rights and ETSI shall not be held liable in any event for any damages whatsoever (including, without limitation, damages
for loss of profits, business interruption, loss of information, or any other pecuniary loss) arising out of or related to the use
of or inability to use the software.
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 2025.
All rights reserved.
ETSI
3 ETSI EN 303 851 V1.1.1 (2025-04)
Contents
Intellectual Property Rights . 8
Foreword . 8
Modal verbs terminology . 9
1 Scope . 10
2 References . 10
2.1 Normative references . 10
2.2 Informative references . 10
3 Definition of terms, symbols and abbreviations . 11
3.1 Terms . 11
3.2 Symbols . 13
3.3 Abbreviations . 13
4 Technical requirements specifications . 14
4.0 General . 14
4.1 Environmental profile . 14
4.2 General conditions for operating . 14
4.2.1 Conformance requirements . 14
4.2.2 Designated frequencies . 14
4.2.2.1 EU wide harmonised national radio interface 2 446 MHz to 2 454 MHz . 14
4.2.2.2 National Radio Interfaces not EU wide harmonised from 2 446 MHz to 2 454 MHz . 15
4.2.3 Operating conditions . 15
4.3 Transmitter requirements . 16
4.3.1 Transmitter measurement requirements . 16
4.3.1.1 Applicability. 16
4.3.1.2 Methods of measurement and limits for transmitter parameters . 16
4.3.2 Equivalent isotropically radiated power (e.i.r.p.) . 16
4.3.2.1 Indoor and outdoor transmitters of 500 mW or less . 16
4.3.2.1.1 Applicability . 16
4.3.2.1.2 Definition. 16
4.3.2.1.3 Limits . 17
4.3.2.1.4 Conformance . 17
4.3.2.2 Indoor transmitters of 4 W or less . 17
4.3.2.2.1 Applicability . 17
4.3.2.2.2 Definition. 17
4.3.2.2.3 Limits . 18
4.3.2.2.4 Conformance . 18
4.3.3 Permitted range of operating frequencies . 18
4.3.3.1 Applicability. 18
4.3.3.2 Definition . 18
4.3.3.3 Limits . 18
4.3.3.4 Conformance . 18
4.3.4 Transmitter spectrum masks . 18
4.3.4.1 Applicability. 18
4.3.4.2 Definition . 19
4.3.4.3 Limits . 19
4.3.4.4 Conformance . 19
4.3.5 Unwanted emissions in the spurious domain . 19
4.3.5.1 Applicability. 19
4.3.5.2 Definition . 19
4.3.5.3 Limits . 19
4.3.5.4 Conformance . 20
4.3.6 Duty cycle . 20
4.3.6.1 Applicability. 20
4.3.6.2 Definition . 20
4.3.6.3 Limits . 20
ETSI
4 ETSI EN 303 851 V1.1.1 (2025-04)
4.3.6.4 Conformance . 20
4.3.7 Additional requirements for FHSS equipment . 21
4.3.7.1 Applicability. 21
4.3.7.2 Definition . 21
4.3.7.3 Limits . 21
4.3.7.4 Conformance . 21
4.4 Receiver requirements . 21
4.4.1 General performance criteria . 21
4.4.2 Blocking or desensitization . 21
4.4.2.1 Applicability. 21
4.4.2.2 Definition . 21
4.4.2.3 Limits . 21
4.4.2.4 Conformance . 22
4.4.3 Spurious radiations . 22
4.4.3.1 Applicability. 22
4.4.3.2 Definition . 22
4.4.3.3 Limits . 22
4.4.3.4 Conformance .
...

SLOVENSKI STANDARD
01-junij-2025
Radiofrekvenčna identifikacija - Oprema, ki deluje v pasu od 2446 MHz do 2454
MHz z močjo do največ 500 mW e.i.r.p. in do največ 4 W e.i.r.p - Harmonizirani
standard za dostop do radijskega spektra
Radio Frequency Identification - Equipment operating in the band 2 446 MHz to 2 454
MHz with power levels up to a maximum of 500 mW e.i.r.p. and up to a maximum of 4 W
e.i.r.p. - Harmonised Standard for access to radio spectrum
Ta slovenski standard je istoveten z: ETSI EN 303 851 V1.1.1 (2025-04)
ICS:
33.060.01 Radijske komunikacije na Radiocommunications in
splošno general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

HARMONISED EUROPEAN STANDARD
Radio Frequency Identification;
Equipment operating in the band 2 446 MHz to 2 454 MHz
with power levels up to a maximum of 500 mW e.i.r.p.
and up to a maximum of 4 W e.i.r.p.;
Harmonised Standard for access to radio spectrum

2 ETSI EN 303 851 V1.1.1 (2025-04)

Reference
DEN/ERM-TG34-269
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 - APE 7112B
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° w061004871

Important notice
The present document can be downloaded from the
ETSI Search & Browse Standards application.
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 on ETSI deliver repository.
Users should be aware that the present document may be revised or have its status changed,
this information is available in the Milestones listing.
If you find errors in the present document, please send your comments to
the relevant service listed under Committee Support Staff.
If you find a security vulnerability in the present document, please report it through our
Coordinated Vulnerability Disclosure (CVD) program.
Notice of disclaimer & limitation of liability
The information provided in the present deliverable is directed solely to professionals who have the appropriate degree of
experience to understand and interpret its content in accordance with generally accepted engineering or
other professional standard and applicable regulations.
No recommendation as to products and services or vendors is made or should be implied.
In no event shall ETSI be held liable for loss of profits or any other incidental or consequential damages.

Any software contained in this deliverable is provided "AS IS" with no warranties, express or implied, including but not
limited to, the warranties of merchantability, fitness for a particular purpose and non-infringement of intellectual property
rights and ETSI shall not be held liable in any event for any damages whatsoever (including, without limitation, damages
for loss of profits, business interruption, loss of information, or any other pecuniary loss) arising out of or related to the use
of or inability to use the software.
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 2025.
All rights reserved.
ETSI
3 ETSI EN 303 851 V1.1.1 (2025-04)
Contents
Intellectual Property Rights . 8
Foreword . 8
Modal verbs terminology . 9
1 Scope . 10
2 References . 10
2.1 Normative references . 10
2.2 Informative references . 10
3 Definition of terms, symbols and abbreviations . 11
3.1 Terms . 11
3.2 Symbols . 13
3.3 Abbreviations . 13
4 Technical requirements specifications . 14
4.0 General . 14
4.1 Environmental profile . 14
4.2 General conditions for operating . 14
4.2.1 Conformance requirements . 14
4.2.2 Designated frequencies . 14
4.2.2.1 EU wide harmonised national radio interface 2 446 MHz to 2 454 MHz . 14
4.2.2.2 National Radio Interfaces not EU wide harmonised from 2 446 MHz to 2 454 MHz . 15
4.2.3 Operating conditions . 15
4.3 Transmitter requirements . 16
4.3.1 Transmitter measurement requirements . 16
4.3.1.1 Applicability. 16
4.3.1.2 Methods of measurement and limits for transmitter parameters . 16
4.3.2 Equivalent isotropically radiated power (e.i.r.p.) . 16
4.3.2.1 Indoor and outdoor transmitters of 500 mW or less . 16
4.3.2.1.1 Applicability . 16
4.3.2.1.2 Definition. 16
4.3.2.1.3 Limits . 17
4.3.2.1.4 Conformance . 17
4.3.2.2 Indoor transmitters of 4 W or less . 17
4.3.2.2.1 Applicability . 17
4.3.2.2.2 Definition. 17
4.3.2.2.3 Limits . 18
4.3.2.2.4 Conformance . 18
4.3.3 Permitted range of operating frequencies . 18
4.3.3.1 Applicability. 18
4.3.3.2 Definition . 18
4.3.3.3 Limits . 18
4.3.3.4 Conformance . 18
4.3.4 Transmitter spectrum masks . 18
4.3.4.1 Applicability. 18
4.3.4.2 Definition . 19
4.3.4.3 Limits . 19
4.3.4.4 Conformance . 19
4.3.5 Unwanted emissions in the spurious domain . 19
4.3.5.1 Applicability. 19
4.3.5.2 Definition . 19
4.3.5.3 Limits . 19
4.3.5.4 Conformance . 20
4.3.6 Duty cycle . 20
4.3.6.1 Applicability. 20
4.3.6.2 Definition . 20
4.3.6.3 Limits . 20
ETSI
4 ETSI EN 303 851 V1.1.1 (2025-04)
4.3.6.4 Conformance . 20
4.3.7 Additional requirements for FHSS equipment . 21
4.3.7.1 Applicability. 21
4.3.7.2 Definition . 21
4.3.7.3 Limits . 21
4.3.7.4 Conformance . 21
4.4 Receiver requirements . 21
4.4.1 General performance criteria . 21
4.4.2 Blocking or desensitization . 21
4.4.2.1 Applicability. 21
4.4.2.2 Definition . 21
4.4.2.3 Limits .
...