SIST EN 302 480 V3.1.1:2025

HARMONISED EUROPEAN STANDARD
Mobile Communication On Board Aircraft (MCOBA) systems;
Harmonised Standard for access to radio spectrum

2 ETSI EN 302 480 V3.1.1 (2025-04)

Reference
REN/MSG-TFES-1138
Keywords
3G, 3GPP, 5G, cellular, digital, E-UTRA, GSM,
LTE, MCOBA, mobile, radio, regulation, UMTS,
UTRA, WCDMA
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 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 302 480 V3.1.1 (2025-04)
Contents
Intellectual Property Rights . 8
Foreword . 8
Modal verbs terminology . 9
Introduction . 9
1 Scope . 10
2 References . 11
2.1 Normative references . 11
2.2 Informative references . 12
3 Definition of terms, symbols and abbreviations . 13
3.1 Terms . 13
3.2 Symbols . 13
3.3 Abbreviations . 13
4 Technical requirements specifications . 15
4.1 Environmental profile . 15
4.2 Conformance requirements . 15
4.2.1 Introduction. 15
4.2.2 GSM-OBTS performance . 18
4.2.2.1 GSM-OBTS maximum output power . 18
4.2.2.1.1 Definition. 18
4.2.2.1.2 Limits . 18
4.2.2.1.3 Conformance . 18
4.2.2.2 GSM-OBTS output RF spectrum . 18
4.2.2.2.1 Spectrum due to modulation and wideband noise . 18
4.2.2.2.2 Spectrum due to switching transients . 18
4.2.2.3 GSM-OBTS radio frequency tolerance . 19
4.2.2.3.1 Definition. 19
4.2.2.3.2 Limits . 19
4.2.2.3.3 Conformance . 19
4.2.2.4 GSM-OBTS controlled MS RF power . 19
4.2.2.4.1 Definition. 19
4.2.2.4.2 Limits . 19
4.2.2.4.3 Conformance . 19
4.2.2.5 GSM-OBTS reference sensitivity level . 19
4.2.2.5.1 Definition. 19
4.2.2.5.2 Limits . 20
4.2.2.5.3 Conformance . 20
4.2.2.6 GSM-OBTS unwanted emissions in the spurious domain . 20
4.2.2.6.1 Definition. 20
4.2.2.6.2 Limits . 20
4.2.2.6.3 Conformance . 20
4.2.3 UTRA-OBTS performance . 20
4.2.3.1 Conformance compliance . 20
4.2.3.2 UTRA-OBTS Spectrum Mask . 20
4.2.3.2.1 Definition. 20
4.2.3.2.2 Limits . 20
4.2.3.2.3 Conformance . 21
4.2.3.3 UTRA-OBTS Adjacent Channel Leakage power Ratio (ACLR). 21
4.2.3.3.1 Definition. 21
4.2.3.3.2 Limits . 21
4.2.3.3.3 Conformance . 21
4.2.3.4 UTRA-OBTS Transmitter spurious emissions . 21
4.2.3.4.1 Definition. 21
4.2.3.4.2 Limits . 21
4.2.3.4.3 Conformance . 22
ETSI
4 ETSI EN 302 480 V3.1.1 (2025-04)
4.2.3.5 UTRA-OBTS maximum output power . 22
4.2.3.5.1 Definition. 22
4.2.3.5.2 Limits . 22
4.2.3.5.3 Conformance . 22
4.2.3.6 UTRA-OBTS Transmit intermodulation. 22
4.2.3.6.1 Definition. 22
4.2.3.6.2 Limits . 23
4.2.3.6.3 Conformance . 23
4.2.3.7 UTRA-OBTS Receiver spurious emissions . 23
4.2.3.7.1 Definition. 23
4.2.3.7.2 Limits . 23
4.2.3.7.3 Conformance . 23
4.2.3.8 UTRA-OBTS Blocking characteristics . 24
4.2.3.8.1 Definition. 24
4.2.3.8.2 Limits . 24
4.2.3.8.3 Conformance . 24
4.2.3.9 UTRA-OBTS Receiver intermodulation characteristics . 24
4.2.3.9.1 Definition. 24
4.2.3.9.2 Limits . 24
4.2.3.9.3 Conformance . 24
4.2.3.10 UTRA-OBTS Receiver adjacent channel selectivity . 25
4.2.3.10.1 Definition. 25
4.2.3.10.2 Limits . 25
4.2.3.10.3 Conformance . 25
4.2.3.11 UTRA-OBTS controlled UE RF power . 25
4.2.3.11.1 Definition. 25
4.2.3.11.2 Limits . 25
4.2.3.11.3 Conformance . 25
4.2.3.12 UTRA-OBTS reference sensitivity level . 26
4.2.3.12.1 Definition. 26
4.2.3.12.2 Limit . 26
4.2.3.12.3 Conformance . 26
4.2.4 E-UTRA-OBTS performance . 26
4.2.4.1 Conformance compliance . 26
4.2.4.2 E-UTRA-OBTS operating band unwanted emissions . 26
4.2.4.2.1 Definition. 26
4.2.4.2.2 Limits . 26
4.2.4.2.3 Conformance . 26
4.2.4.3 E-UTRA-OBTS Adjacent Channel Leakage power Ratio (ACLR) . 27
4.2.4.3.1 Definition. 27
4.2.4.3.2 Limits . 27
4.2.4.3.3 Conformance . 27
4.2.4.4 E-UTRA-OBTS transmitter spurious emissions . 27
4.2.4.4.1 Definition. 27
4.2.4.4.2 Limits . 28
4.2.4.4.3 Conformance . 28
4.2.4.5 E-UTRA-OBTS maximum output power . 28
4.2.4.5.1 Definition. 28
4.2.4.5.2 Limits . 28
4.2.4.5.3 Conformance . 28
4.2.4.6 E-UTRA-OBTS transmit intermodulation . 28
4.2.4.6.1 Definition. 28
4.2.4.6.2 Limits . 28
4.2.4.6.3 Conformance . 29
4.2.4.7 E-UTRA-OBTS receiver spurious emissions . 29
4.2.4.7.1 Definition. 29
4.2.4.7.2 Limits . 29
4.2.4.7.3 Conformance . 29
4.2.4.8 E-UTRA-OBTS Blocking characteristics . 29
4.2.4.8.1 Definition. 29
4.2.4.8.2 Limits . 29
4.2.4.8.3 Conformance . 29
ETSI
5 ETSI EN 302 480 V3.1.1 (2025-04)
4.2.4.9 E-UTRA-OBTS receiver intermodulation characteristics . 29
4.2.4.9.1 Definition. 29
4.2.4.9.2 Limits . 29
4.2.4.9.3 Conformance . 30
4.2.4.10 E-UTRA-OBTS Adjacent Channel Selectivity (ACS) and narrow-band blocking . 30
4.2.4.10.1 Definition. 30
4.2.4.10.2 Limits . 30
4.2.4.10.3 Conformance . 30
4.2.4.11 E-UTRA-OBTS controlled UE RF power . 30
4.2.4.11.1 Definition. 30
4.2.4.11.2 Limits . 30
4.2.4.11.3 Conformance . 30
4.2.4.12 E-UTRA-OBTS reference sensitivity level . 31
4.2.4.12.1 Definition. 31
4.2.4.12.2 Limits . 31
4.2.4.12.3 Conformance . 31
4.2.5 NCU Transmitter Performance . 31
4.2.5.1 NCU maximum mean power spectral density . 31
4.2.5.1.1 Definition. 31
4.2.5.1.2 Limits . 31
4.2.5.1.3 Conformance . 31
4.2.5.2 NCU power flatness . 31
4.2.5.2.1 Definition. 31
4.2.5.2.2 Limits . 32
4.2.5.2.3 Conformance . 32
4.2.5.3 NCU out-of-band emissions . 32
4.2.5.3.1 Definition. 32
4.2.5.3.2 Limits . 32
4.2.5.3.3 Conformance . 32
4.2.5.4 NCU spurious emissions . 32
4.2.5.4.1 Definition. 32
4.2.5.4.2 Limits . 33
4.2.5.4.3 Conformance . 33
4.2.6 MCOBA system performance. 33
4.2.6.1 MCOBA Unwanted emissions in the out-of-band domain . 33
4.2.6.1.1 Definition. 33
4.2.6.1.2 Limits . 33
4.2.6.1.3 Conformance . 33
4.2.6.2 MCOBA Unwanted emissions in the spurious domain . 34
4.2.6.2.1 Definition. 34
4.2.6.2.2 Limits . 34
4.2.6.2.3 Conformance . 34
4.2.6.3 MCOBA Cessation of emission . 34
4.2.6.3.1 Definition. 34
4.2.6.3.2 Specification . 34
4.2.6.3.3 Conformance . 34
4.2.7 NR-OBTS performance . 34
4.2.7.1 Conformance compliance . 34
4.2.7.2 NR-OBTS operating band unwanted emissions . 35
4.2.7.2.1 Definition and applicability . 35
4.2.7.2.2 Limits . 35
4.2.7.2.3 Conformance . 35
4.2.7.3 NR-OBTS Adjacent Channel Leakage power Ratio (ACLR) . 35
4.2.7.3.1 Definition. 35
4.2.7.3.2 Limits . 35
4.2.7.3.3 Conformance . 35
4.2.7.4 NR-OBTS transmitter spurious emissions . 36
4.2.7.4.1 Definition. 36
4.2.7.4.2 Limits . 36
4.2.7.4.3 Conformance . 36
4.2.7.5 NR-OBTS output power . 36
4.2.7.5.1 Definition. 36
ETSI
6 ETSI EN 302 480 V3.1.1 (2025-04)
4.2.7.5.2 Limits . 36
4.2.7.5.3 Conformance . 36
4.2.7.6 NR-OBTS transmit intermodulation . 37
4.2.7.6.1 Definition. 37
4.2.7.6.2 Limits . 37
4.2.7.6.3 Conformance . 37
4.2.7.7 NR-OBTS receiver spurious emissions . 37
4.2.7.7.1 Definition. 37
4.2.7.7.2 Limits . 37
4.2.7.7.3 Conformance . 37
4.2.7.8 NR-OBTS blocking characteristics . 37
4.2.7.8.1 Definition. 37
4.2.7.8.2 Limits . 37
4.2.7.8.3 Conformance . 38
4.2.7.9 NR-OBTS receiver intermodulation characteristics . 38
4.2.7.9.1 Definition. 38
4.2.7.9.2 Limits . 38
4.2.7.9.3 Conformance . 38
4.2.7.10 NR-OBTS Adjacent Channel Selectivity (ACS) and narrow-band blocking . 38
4.2.7.10.1 Definition. 38
4.2.7.10.2 Limits . 38
4.2.7.10.3 Conformance . 38
4.2.7.11 NR-OBTS controlled UE RF power . 38
4.2.7.11.1 Definition. 38
4.2.7.11.2 Limits . 39
4.2.7.11.3 Conformance . 39
4.2.7.12 NR-OBTS reference sensitivity level . 39
4.2.7.12.1 Definition. 39
4.2.7.12.2 Limits . 39
4.2.7.12.3 Conformance . 39
5 Testing for compliance with technical requirements . 39
5.1 Environmental conditions for testing . 39
5.2 Essential radio test suites . 39
5.2.0 Measurement options . 39
5.2.1 GSM-OBTS Performance . 40
5.2.1.1 GSM-OBTS controlled UE/MS RF power . 40
5.2.1.1.1 Test purpose . 40
5.2.1.1.2 Methods of measurement. 40
5.2.2 UTRA-OBTS Transmitter Performance . 42
5.2.2.1 UTRA-OBTS controlled UE RF power . 42
5.2.2.1.1 Test purpose . 42
5.2.2.1.2 Methods of measurement. 42
5.2.3 E-UTRA-OBTS Transmitter Performance . 43
5.2.3.1 E-UTRA-OBTS-controlled UE RF power . 43
5.2.3.1.1 Test Purpose . 43
5.2.3.1.2 Test Procedure . 43
5.2.4 NCU Transmitter Performance . 44
5.2.4.1 NCU maximum mean power spectral density . 44
5.2.4.1.1 Test purpose . 44
5.2.4.1.2 Methods of measurement. 44
5.2.4.2 NCU power flatness . 45
5.2.4.2.1 Test purpose . 45
5.2.4.2.2 Methods of measurement. 45
5.2.5 MCOBA Transmitter Performance . 46
5.2.5.1 MCOBA Unwanted emissions in the out-of-band domain . 46
5.2.5.1.1 Test purpose . 46
5.2.5.1.2 Methods of measurement. 46
5.2.5.2 MCOBA Unwanted emissions in the spurious domain . 48
5.2.5.2.1 Test purpose . 48
5.2.5.2.2 Methods of measurement. 48
5.2.5.3 MCOBA Cessation of emissions . 49
ETSI
7 ETSI EN 302 480 V3.1.1 (2025-04)
5.2.5.3.1 Test purpose . 49
5.2.5.3.2 Methods of measurement. 49
5.2.6 NR-OBTS Transmitter Performance . 50
5.2.6.1 NR-OBTS-controlled UE RF power . 50
5.2.6.1.1 Test Purpose . 50
5.2.6.1.2 Test Procedure . 50
Annex A (informative): Relationship between the present document and the essential
requirements of Directive 2014/53/EU . 52
Annex B (normative): Environmental conditions . 55
B.1 General . 55
B.2 Environmental conformance requirements. 55
B.3 Environmental test conditions . 55
Annex C (informative): System Description . 56
C.1 High level System Description . 56
C.2 OBTS . 57
C.3 RF Screening . 57
C.4 Dedicated antenna system . 58
C.5 Dedicated antenna installation . 58
C.6 MCOBA system states . 58
Annex D (informative): Maximum measurement uncertainty . 60
Annex E (informative): Selection of receiver parameters. 61
E.0 Introduction . 61
E.1 Receiver sensitivity . 61
E.2 Receiver co-channel rejection . 61
E.3 Receiver adjacent channel selectivity . 61
E.4 Receiver spurious response rejection . 61
E.5 Receiver blocking . 61
E.6 Receiver radio-frequency intermodulation . 62
E
...

SLOVENSKI STANDARD
01-junij-2025
Sistemi mobilnih komunikacij v letalih (MCOBA) - Harmonizirani standard za
dostop do radijskega spektra
Mobile Communication On Board Aircraft (MCOBA) systems - Harmonised Standard for
access to radio spectrum
Ta slovenski standard je istoveten z: ETSI EN 302 480 V3.1.1 (2025-04)
ICS:
33.060.99 Druga oprema za radijske Other equipment for
komunikacije radiocommunications
33.070.99 Druge mobilne storitve Other mobile services
49.090 Oprema in instrumenti v On-board equipment and
zračnih in vesoljskih plovilih instruments
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

HARMONISED EUROPEAN STANDARD
Mobile Communication On Board Aircraft (MCOBA) systems;
Harmonised Standard for access to radio spectrum

2 ETSI EN 302 480 V3.1.1 (2025-04)

Reference
REN/MSG-TFES-1138
Keywords
3G, 3GPP, 5G, cellular, digital, E-UTRA, GSM,
LTE, MCOBA, mobile, radio, regulation, UMTS,
UTRA, WCDMA
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 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 302 480 V3.1.1 (2025-04)
Contents
Intellectual Property Rights . 8
Foreword . 8
Modal verbs terminology . 9
Introduction . 9
1 Scope . 10
2 References . 11
2.1 Normative references . 11
2.2 Informative references . 12
3 Definition of terms, symbols and abbreviations . 13
3.1 Terms . 13
3.2 Symbols . 13
3.3 Abbreviations . 13
4 Technical requirements specifications . 15
4.1 Environmental profile . 15
4.2 Conformance requirements . 15
4.2.1 Introduction. 15
4.2.2 GSM-OBTS performance . 18
4.2.2.1 GSM-OBTS maximum output power . 18
4.2.2.1.1 Definition. 18
4.2.2.1.2 Limits . 18
4.2.2.1.3 Conformance . 18
4.2.2.2 GSM-OBTS output RF spectrum . 18
4.2.2.2.1 Spectrum due to modulation and wideband noise . 18
4.2.2.2.2 Spectrum due to switching transients . 18
4.2.2.3 GSM-OBTS radio frequency tolerance . 19
4.2.2.3.1 Definition. 19
4.2.2.3.2 Limits . 19
4.2.2.3.3 Conformance . 19
4.2.2.4 GSM-OBTS controlled MS RF power . 19
4.2.2.4.1 Definition. 19
4.2.2.4.2 Limits . 19
4.2.2.4.3 Conformance . 19
4.2.2.5 GSM-OBTS reference sensitivity level . 19
4.2.2.5.1 Definition. 19
4.2.2.5.2 Limits . 20
4.2.2.5.3 Conformance . 20
4.2.2.6 GSM-OBTS unwanted emissions in the spurious domain . 20
4.2.2.6.1 Definition. 20
4.2.2.6.2 Limits . 20
4.2.2.6.3 Conformance . 20
4.2.3 UTRA-OBTS performance . 20
4.2.3.1 Conformance compliance . 20
4.2.3.2 UTRA-OBTS Spectrum Mask . 20
4.2.3.2.1 Definition. 20
4.2.3.2.2 Limits . 20
4.2.3.2.3 Conformance . 21
4.2.3.3 UTRA-OBTS Adjacent Channel Leakage power Ratio (ACLR). 21
4.2.3.3.1 Definition. 21
4.2.3.3.2 Limits . 21
4.2.3.3.3 Conformance . 21
4.2.3.4 UTRA-OBTS Transmitter spurious emissions . 21
4.2.3.4.1 Definition. 21
4.2.3.4.2 Limits . 21
4.2.3.4.3 Conformance . 22
ETSI
4 ETSI EN 302 480 V3.1.1 (2025-04)
4.2.3.5 UTRA-OBTS maximum output power . 22
4.2.3.5.1 Definition. 22
4.2.3.5.2 Limits . 22
4.2.3.5.3 Conformance . 22
4.2.3.6 UTRA-OBTS Transmit intermodulation. 22
4.2.3.6.1 Definition. 22
4.2.3.6.2 Limits . 23
4.2.3.6.3 Conformance . 23
4.2.3.7 UTRA-OBTS Receiver spurious emissions . 23
4.2.3.7.1 Definition. 23
4.2.3.7.2 Limits . 23
4.2.3.7.3 Conformance . 23
4.2.3.8 UTRA-OBTS Blocking characteristics . 24
4.2.3.8.1 Definition. 24
4.2.3.8.2 Limits . 24
4.2.3.8.3 Conformance . 24
4.2.3.9 UTRA-OBTS Receiver intermodulation characteristics . 24
4.2.3.9.1 Definition. 24
4.2.3.9.2 Limits . 24
4.2.3.9.3 Conformance . 24
4.2.3.10 UTRA-OBTS Receiver adjacent channel selectivity . 25
4.2.3.10.1 Definition. 25
4.2.3.10.2 Limits . 25
4.2.3.10.3 Conformance . 25
4.2.3.11 UTRA-OBTS controlled UE RF power . 25
4.2.3.11.1 Definition. 25
4.2.3.11.2 Limits . 25
4.2.3.11.3 Conformance . 25
4.2.3.12 UTRA-OBTS reference sensitivity level . 26
4.2.3.12.1 Definition. 26
4.2.3.12.2 Limit . 26
4.2.3.12.3 Conformance . 26
4.2.4 E-UTRA-OBTS performance . 26
4.2.4.1 Conformance compliance . 26
4.2.4.2 E-UTRA-OBTS operating band unwanted emissions . 26
4.2.4.2.1 Definition. 26
4.2.4.2.2 Limits . 26
4.2.4.2.3 Conformance . 26
4.2.4.3 E-UTRA-OBTS Adjacent Channel Leakage power Ratio (ACLR) . 27
4.2.4.3.1 Definition. 27
4.2.4.3.2 Limits . 27
4.2.4.3.3 Conformance . 27
4.2.4.4 E-UTRA-OBTS transmitter spurious emissions . 27
4.2.4.4.1 Definition. 27
4.2.4.4.2 Limits . 28
4.2.4.4.3 Conformance . 28
4.2.4.5 E-UTRA-OBTS maximum output power . 28
4.2.4.5.1 Definition. 28
4.2.4.5.2 Limits . 28
4.2.4.5.3 Conformance . 28
4.2.4.6 E-UTRA-OBTS transmit intermodulation . 28
4.2.4.6.1 Definition. 28
4.2.4.6.2 Limits . 28
4.2.4.6.3 Conformance . 29
4.2.4.7 E-UTRA-OBTS receiver spurious emissions . 29
4.2.4.7.1 Definition. 29
4.2.4.7.2 Limits . 29
4.2.4.7.3 Conformance . 29
4.2.4.8 E-UTRA-OBTS Blocking characteristics . 29
4.2.4.8.1 Definition. 29
4.2.4.8.2 Limits . 29
4.2.4.8.3 Conformance . 29
ETSI
5 ETSI EN 302 480 V3.1.1 (2025-04)
4.2.4.9 E-UTRA-OBTS receiver intermodulation characteristics . 29
4.2.4.9.1 Definition. 29
4.2.4.9.2 Limits . 29
4.2.4.9.3 Conformance . 30
4.2.4.10 E-UTRA-OBTS Adjacent Channel Selectivity (ACS) and narrow-band blocking . 30
4.2.4.10.1 Definition. 30
4.2.4.10.2 Limits . 30
4.2.4.10.3 Conformance . 30
4.2.4.11 E-UTRA-OBTS controlled UE RF power . 30
4.2.4.11.1 Definition. 30
4.2.4.11.2 Limits . 30
4.2.4.11.3 Conformance . 30
4.2.4.12 E-UTRA-OBTS reference sensitivity level . 31
4.2.4.12.1 Definition. 31
4.2.4.12.2 Limits . 31
4.2.4.12.3 Conformance . 31
4.2.5 NCU Transmitter Performance . 31
4.2.5.1 NCU maximum mean power spectral density . 31
4.2.5.1.1 Definition. 31
4.2.5.1.2 Limits . 31
4.2.5.1.3 Conformance . 31
4.2.5.2 NCU power flatness . 31
4.2.5.2.1 Definition. 31
4.2.5.2.2 Limits . 32
4.2.5.2.3 Conformance . 32
4.2.5.3 NCU out-of-band emissions . 32
4.2.5.3.1 Definition. 32
4.2.5.3.2 Limits . 32
4.2.5.3.3 Conformance . 32
4.2.5.4 NCU spurious emissions . 32
4.2.5.4.1 Definition. 32
4.2.5.4.2 Limits . 33
4.2.5.4.3 Conformance . 33
4.2.6 MCOBA system performance. 33
4.2.6.1 MCOBA Unwanted emissions in the out-of-band domain . 33
4.2.6.1.1 Definition. 33
4.2.6.1.2 Limits . 33
4.2.6.1.3 Conformance . 33
4.2.6.2 MCOBA Unwanted emissions in the spurious domain . 34
4.2.6.2.1 Definition. 34
4.2.6.2.2 Limits . 34
4.2.6.2.3 Conformance . 34
4.2.6.3 MCOBA Cessation of emission . 34
4.2.6.3.1 Definition. 34
4.2.6.3.2 Specification . 34
4.2.6.3.3 Conformance . 34
4.2.7 NR-OBTS performance . 34
4.2.7.1 Conformance compliance . 34
4.2.7.2 NR-OBTS operating band unwanted emissions . 35
4.2.7.2.1 Definition and applicability . 35
4.2.7.2.2 Limits . 35
4.2.7.2.3 Conformance . 35
4.2.7.3 NR-OBTS Adjacent Channel Leakage power Ratio (ACLR) . 35
4.2.7.3.1 Definition. 35
4.2.7.3.2 Limits . 35
4.2.7.3.3 Conformance . 35
4.2.7.4 NR-OBTS transmitter spurious emissions . 36
4.2.7.4.1 Definition. 36
4.2.7.4.2 Limits . 36
4.2.7.4.3 Conformance . 36
4.2.7.5 NR-OBTS output power . 36
4.2.7.5.1 Definition. 36
ETSI
6 ETSI EN 302 480 V3.1.1 (2025-04)
4.2.7.5.2 Limits . 36
4.2.7.5.3 Conformance . 36
4.2.7.6 NR-OBTS transmit intermodulation . 37
4.2.7.6.1 Definition. 37
4.2.7.6.2 Limits . 37
4.2.7.6.3 Conformance . 37
4.2.7.7 NR-OBTS receiver spurious emissions . 37
4.2.7.7.1 Definition. 37
4.2.7.7.2 Limits . 37
4.2.7.7.3 Conformance . 37
4.2.7.8 NR-OBTS blocking characteristics . 37
4.2.7.8.1 Definition. 37
4.2.7.8.2 Limits . 37
4.2.7.8.3 Conformance . 38
4.2.7.9 NR-OBTS receiver intermodulation characteristics . 38
4.2.7.9.1 Definition. 38
4.2.7.9.2 Limits . 38
4.2.7.9.3 Conformance . 38
4.2.7.10 NR-OBTS Adjacent Channel Selectivity (ACS) and narrow-band blocking . 38
4.2.7.10.1 Definition. 38
4.2.7.10.2 Limits . 38
4.2.7.10.3 Conformance . 38
4.2.7.11 NR-OBTS controlled UE RF power . 38
4.2.7.11.1 Definition. 38
4.2.7.11.2 Limits . 39
4.2.7.11.3 Conformance . 39
4.2.7.12 NR-OBTS reference sensitivity level . 39
4.2.7.12.1 Definition. 39
4.2.7.12.2 Limits . 39
4.2.7.12.3 Conformance . 39
5 Testing for compliance with technical requirements . 39
5.1 Environmental conditions for testing . 39
5.2 Essential radio test suites . 39
5.2.0 Measurement options . 39
5.2.1 GSM-OBTS Performance . 40
5.2.1.1 GSM-OBTS controlled UE/MS RF power . 40
5.2.1.1.1 Test purpose . 40
5.2.1.1.2 Methods of measurement. 40
5.2.2 UTRA-OBTS Transmitter Performance . 42
5.2.2.1 UTRA-OBTS controlled UE RF power . 42
5.2.2.1.1 Test purpose . 42
5.2.2.1.2 Methods of measurement. 42
5.2.3 E-UTRA-OBTS Transmitter Performance . 43
5.2.3.1 E-UTRA-OBTS-controlled UE RF power . 43
5.2.3.1.1 Test Purpose . 43
5.2.3.1.2 Test Procedure . 43
5.2.4 NCU Transmitter Performance . 44
5.2.4.1 NCU maximum mean power spectral density . 44
5.2.4.1.1 Test purpose . 44
5.2.4.1.2 Methods of measurement. 44
5.2.4.2 NCU power flatness . 45
5.2.4.2.1 Test purpose . 45
5.2.4.2.2 Methods of measurement. 45
5.2.5 MCOBA Transmitter Performance . 46
5.2.5.1 MCOBA Unwanted emissions in the out-of-band domain . 46
5.2.5.1.1 Test purpose . 46
5.2.5.1.2 Methods of measurement. 46
5.2.5.2 MCOBA Unwanted emissions in the spurious domain . 48
5.2.5.2.1 Test purpose . 48
5.2.5.2.2 Methods of measurement. 48
5.2.5.3 MCOBA Cessation of emissions . 49
ETSI
7 ETSI EN 302 480 V3.1.1 (2025-04)
5.2.5.3.1 Test purpose . 49
5.2.5.3.2 Methods of measurement. 49
5.2.6 NR-OBTS Transmitter Performance . 50
5.2.6.1 NR-OBTS-controlled UE RF power . 50
5.2.6.1.1 Test Purpose . 50
5.2.6.1.2 Test Procedure . 50
Annex A (informative): Relationship between the present document and the essential
requirements of Directive 2014/53/EU . 52
Annex B (normative): Environmental conditions . 55
B.1 General . 55
B.2 Environmental conformance requirements. 55
B.3 Environmental test conditions . 55
Annex C (informative): System Description . 56
C.1 High level System Description . 56
C.2 OBTS . 57
C.3 RF Screening . 57
C.4 Dedicated antenna system . 58
C.5 Dedicated antenna installation . 58
C.6 MCOBA system states . 58
Annex D (informative): Maximum measurement uncertainty . 60
Annex E (informative): Selection of receiver parameters.
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