SIST EN 303 661 V1.1.1:2024

Final draft ETSI EN 303 661 V1.1.1 (2024-03)

HARMONISED EUROPEAN STANDARD
Short Range Devices (SRD);
Ground Based Synthetic Aperture Radar (GBSAR)
in the frequency range 17,1 GHz to 17,3 GHz and
High Definition Ground Based Synthetic Aperture Radar
(HD-GBSAR) in the frequency range 76 GHz to 77 GHz;
Harmonised Standard for access to radio spectrum

2 Final draft ETSI EN 303 661 V1.1.1 (2024-03)

Reference
DEN/ERM-TGUWB-591
Keywords
harmonised standard, measurement, radio, SRD
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 - 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:
https://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
If you find a security vulnerability in the present document, please report it through our
Coordinated Vulnerability Disclosure Program:
https://www.etsi.org/standards/coordinated-vulnerability-disclosure
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 2024.
All rights reserved.
ETSI
3 Final draft ETSI EN 303 661 V1.1.1 (2024-03)
Contents
Intellectual Property Rights . 6
Foreword. 6
Modal verbs terminology . 7
Introduction . 7
1 Scope . 8
2 References . 8
2.1 Normative references . 8
2.2 Informative references . 8
3 Definition of terms, symbols and abbreviations . 9
3.1 Terms . 9
3.2 Symbols . 10
3.3 Abbreviations . 10
4 Technical requirements specifications . 11
4.1 Environmental profile . 11
4.2 EUT categories . 11
4.3 Transmitter conformance requirements . 12
4.3.1 Operating Frequency Range (OFR) . 12
4.3.1.1 Applicability . 12
4.3.1.2 Description . 12
4.3.1.3 Limits. 12
4.3.1.4 Conformance . 13
4.3.2 Mean e.i.r.p. . 13
4.3.2.1 Applicability . 13
4.3.2.2 Description . 13
4.3.2.3 Limits. 13
4.3.2.4 Conformance . 13
4.3.3 Mean e.i.r.p. spectral density . 13
4.3.3.1 Applicability . 13
4.3.3.2 Description . 13
4.3.3.3 Limits. 13
4.3.3.4 Conformance . 13
4.3.4 TX unwanted emissions . 14
4.3.4.1 Applicability . 14
4.3.4.2 Description . 14
4.3.4.3 Limits. 14
4.3.4.4 Conformance . 16
4.3.5 TX behaviour under the complete environmental profile . 16
4.3.5.1 Applicability . 16
4.3.5.2 Description . 16
4.3.5.3 Limits. 16
4.3.5.4 Conformance . 16
4.4 Receiver conformance requirements . 16
4.4.1 General . 16
4.4.2 Receiver spurious emissions . 17
4.4.2.1 Applicability . 17
4.4.2.2 Description . 17
4.4.2.3 Limits. 17
4.4.2.4 Conformance . 17
4.4.3 Wanted Technical Performance Criterion (WTPC) . 17
4.4.4 Receiver Baseline Sensitivity (RBS) . 17
4.4.4.1 Applicability . 17
4.4.4.2 Description . 17
4.4.4.3 Limits. 17
4.4.4.4 Conformance . 17
ETSI
4 Final draft ETSI EN 303 661 V1.1.1 (2024-03)
4.4.5 Receiver Baseline Resilience (RBR) . 18
4.4.5.1 Applicability . 18
4.4.5.2 Description . 18
4.4.5.3 Limits. 18
4.4.5.4 Conformance . 18
4.5 Requirements for spectrum access . 18
4.5.1 DAA for GBSAR . 18
4.5.1.1 Applicability . 18
4.5.1.2 Description . 18
4.5.1.3 Limit . 19
4.5.1.4 Conformance . 20
4.5.2 DAA for HD-GBSAR . 20
4.5.2.1 Applicability . 20
4.5.2.2 Description . 20
4.5.2.3 Limit . 20
4.5.2.4 Conformance .
...

HARMONISED EUROPEAN STANDARD
Short Range Devices (SRD);
Ground Based Synthetic Aperture Radar (GBSAR)
in the frequency range 17,1 GHz to 17,3 GHz and
High Definition Ground Based Synthetic Aperture Radar
(HD-GBSAR) in the frequency range 76 GHz to 77 GHz;
Harmonised Standard for access to radio spectrum

2 ETSI EN 303 661 V1.1.1 (2024-05)

Reference
DEN/ERM-TGUWB-591
Keywords
harmonised standard, measurement, radio, SRD
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 - 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:
https://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
If you find a security vulnerability in the present document, please report it through our
Coordinated Vulnerability Disclosure Program:
https://www.etsi.org/standards/coordinated-vulnerability-disclosure
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 2024.
All rights reserved.
ETSI
3 ETSI EN 303 661 V1.1.1 (2024-05)
Contents
Intellectual Property Rights . 6
Foreword . 6
Modal verbs terminology . 7
Introduction . 7
1 Scope . 8
2 References . 8
2.1 Normative references . 8
2.2 Informative references . 8
3 Definition of terms, symbols and abbreviations . 9
3.1 Terms . 9
3.2 Symbols . 10
3.3 Abbreviations . 10
4 Technical requirements specifications . 11
4.1 Environmental profile . 11
4.2 EUT categories . 11
4.3 Transmitter conformance requirements . 12
4.3.1 Operating Frequency Range (OFR) . 12
4.3.1.1 Applicability. 12
4.3.1.2 Description . 12
4.3.1.3 Limits . 12
4.3.1.4 Conformance . 13
4.3.2 Mean e.i.r.p. . 13
4.3.2.1 Applicability. 13
4.3.2.2 Description . 13
4.3.2.3 Limits . 13
4.3.2.4 Conformance . 13
4.3.3 Mean e.i.r.p. spectral density . 13
4.3.3.1 Applicability. 13
4.3.3.2 Description . 13
4.3.3.3 Limits . 13
4.3.3.4 Conformance . 13
4.3.4 TX unwanted emissions . 14
4.3.4.1 Applicability. 14
4.3.4.2 Description . 14
4.3.4.3 Limits . 14
4.3.4.4 Conformance . 16
4.3.5 TX behaviour under the complete environmental profile . 16
4.3.5.1 Applicability. 16
4.3.5.2 Description . 16
4.3.5.3 Limits . 16
4.3.5.4 Conformance . 16
4.4 Receiver conformance requirements . 16
4.4.1 General . 16
4.4.2 Receiver spurious emissions . 17
4.4.2.1 Applicability. 17
4.4.2.2 Description . 17
4.4.2.3 Limits . 17
4.4.2.4 Conformance . 17
4.4.3 Wanted Technical Performance Criterion (WTPC) . 17
4.4.4 Receiver Baseline Sensitivity (RBS) . 17
4.4.4.1 Applicability. 17
4.4.4.2 Description . 17
4.4.4.3 Limits . 17
4.4.4.4 Conformance . 17
ETSI
4 ETSI EN 303 661 V1.1.1 (2024-05)
4.4.5 Receiver Baseline Resilience (RBR) . 18
4.4.5.1 Applicability. 18
4.4.5.2 Description . 18
4.4.5.3 Limits . 18
4.4.5.4 Conformance . 18
4.5 Requirements for spectrum access . 18
4.5.1 DAA for GBSAR . 18
4.5.1.1 Applicability. 18
4.5.1.2 Description . 18
4.5.1.3 Limit . 19
4.5.1.4 Conformance . 20
4.5.2 DAA for HD-GBSAR . 20
4.5.2.1 Applicability. 20
4.5.2.2 Description . 20
4.5.2.3 Limit . 20
4.5.2.4 Conformance .
...

SLOVENSKI STANDARD
01-julij-2024
Naprave kratkega dosega (SRD) - Talni radar s sintetično odprtino (GBSAR) v
frekvenčnem območju od 17,1 GHz do 17,3 GHz in talni radar visoke ločljivosti s
sintetično odprtino (HD-GBSAR) v frekvenčnem območju od 76 GHz do 77 GHz -
Harmonizirani standard za dostop do radijskega spektra
Short Range Devices (SRD) - Ground Based Synthetic Aperture Radar (GBSAR) in the
frequency range 17,1 GHz to 17,3 GHz and High Definition Ground Based Synthetic
Aperture Radar (HD-GBSAR) in the frequency range 76 GHz to 77 GHz - Harmonised
Standard for access to radio spectrum
Ta slovenski standard je istoveten z: ETSI EN 303 661 V1.1.1 (2024-05)
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
Short Range Devices (SRD);
Ground Based Synthetic Aperture Radar (GBSAR)
in the frequency range 17,1 GHz to 17,3 GHz and
High Definition Ground Based Synthetic Aperture Radar
(HD-GBSAR) in the frequency range 76 GHz to 77 GHz;
Harmonised Standard for access to radio spectrum

2 ETSI EN 303 661 V1.1.1 (2024-05)

Reference
DEN/ERM-TGUWB-591
Keywords
harmonised standard, measurement, radio, SRD
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 - 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:
https://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
If you find a security vulnerability in the present document, please report it through our
Coordinated Vulnerability Disclosure Program:
https://www.etsi.org/standards/coordinated-vulnerability-disclosure
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 2024.
All rights reserved.
ETSI
3 ETSI EN 303 661 V1.1.1 (2024-05)
Contents
Intellectual Property Rights . 6
Foreword . 6
Modal verbs terminology . 7
Introduction . 7
1 Scope . 8
2 References . 8
2.1 Normative references . 8
2.2 Informative references . 8
3 Definition of terms, symbols and abbreviations . 9
3.1 Terms . 9
3.2 Symbols . 10
3.3 Abbreviations . 10
4 Technical requirements specifications . 11
4.1 Environmental profile . 11
4.2 EUT categories . 11
4.3 Transmitter conformance requirements . 12
4.3.1 Operating Frequency Range (OFR) . 12
4.3.1.1 Applicability. 12
4.3.1.2 Description . 12
4.3.1.3 Limits . 12
4.3.1.4 Conformance . 13
4.3.2 Mean e.i.r.p. . 13
4.3.2.1 Applicability. 13
4.3.2.2 Description . 13
4.3.2.3 Limits . 13
4.3.2.4 Conformance . 13
4.3.3 Mean e.i.r.p. spectral density . 13
4.3.3.1 Applicability. 13
4.3.3.2 Description . 13
4.3.3.3 Limits . 13
4.3.3.4 Conformance . 13
4.3.4 TX unwanted emissions . 14
4.3.4.1 Applicability. 14
4.3.4.2 Description . 14
4.3.4.3 Limits . 14
4.3.4.4 Conformance . 16
4.3.5 TX behaviour under the complete environmental profile . 16
4.3.5.1 Applicability. 16
4.3.5.2 Description . 16
4.3.5.3 Limits . 16
4.3.5.4 Conformance . 16
4.4 Receiver conformance requirements . 16
4.4.1 General . 16
4.4.2 Receiver spurious emissions . 17
4.4.2.1 Applicability. 17
4.4.2.2 Description . 17
4.4.2.3 Limits . 17
4.4.2.4 Conformance . 17
4.4.3 Wanted Technical Performance Criterion (WTPC) . 17
4.4.4 Receiver Baseline Sensitivity (RBS) . 17
4.4.4.1 Applicability. 17
4.4.4.2 Description . 17
4.4.4.3 Limits . 17
4.4.4.4 Conformance . 17
ETSI
4 ETSI EN 303 661 V1.1.1 (2024-05)
4.4.5 Receiver Baseline Resilience (RBR) . 18
4.4.5.1 Applicability. 18
4.4.5.2 Description . 18
4.4.5.3 Limits . 18
4.4.5.4 Conformance . 18
4.5 Requirements for spectrum access . 18
4.5.1 DAA for GBSAR . 18
4.5.1.1 Applicability. 18
4.5.1.2 Description .
...