SIST-TS ETSI/TS 103 793 V1.0.0:2026
(Main)Rail Telecommunications (RT) - Future Railway Mobile Communication System (FRMCS) - Radio Characteristics
Rail Telecommunications (RT) - Future Railway Mobile Communication System (FRMCS) - Radio Characteristics
The present document addresses the specific RF technical characteristics and methods of measurements required by ECC Decision (20)02 [i.1] for base stations, cab radio user equipment and terminals other than cab radio intended to be used for the Future Railway Mobile Communications System (FRMCS) and operating in bands as listed in Table 1-1. The technical characteristics and methods of measurements have been derived from, and are consistent with ECC Decision (20)02 [i.1], Commission Implementing Decision (EU) 2021/1730 [i.2], ETSI TS 138 101-1 [1], ETSI TS 138 104 [2], ETSI TS 138 141-1 [3], ETSI TS 138 508-1 [4] and ETSI TS 138 521-1 [5]. For the clauses not specifically mentioned in the present document, compliance with the above mentioned 3GPP Technical Specifications (TS) is also required for BS and UE. Only BS type 1-C characteristics in the previously mentioned specifications apply for the base station specifications given in the present document.
Železniške telekomunikacije (RT) - Prihodnji sistem radijskih komunikacij za železnice (FRMCS) - Radijske značilnosti
General Information
Standards Content (Sample)
Draft ETSI TS 103 793 V1.0.0 (2025-07)
TECHNICAL SPECIFICATION
Rail Telecommunications (RT);
Future Railway Mobile Communication System (FRMCS);
Radio Characteristics
2 Draft ETSI TS 103 793 V1.0.0 (2025-07)
Reference
DTS/RT-0089
Keywords
FRMCS, radio parameters, railways, testing
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.
No representation or warranty is made that this deliverable is technically accurate or sufficient or conforms to any law
and/or governmental rule and/or regulation and further, no representation or warranty is made of merchantability or fitness
for any particular purpose or against infringement of intellectual property rights.
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 TS 103 793 V1.0.0 (2025-07)
Contents
Intellectual Property Rights . 5
Foreword . 5
Modal verbs terminology . 5
1 Scope . 6
2 References . 6
2.1 Normative references . 6
2.2 Informative references . 7
3 Definition of terms, symbols and abbreviations . 7
3.1 Terms . 7
3.2 Symbols . 7
3.3 Abbreviations . 8
4 Band definitions . 8
4.1 n100 . 8
4.2 n101 . 8
5 Specifications for base stations . 9
5.1 Output power . 9
5.2 Spurious emissions . 9
5.2.0 General . 9
5.2.1 n100 . 9
5.2.2 n101 . 9
5.2.3 Operating band unwanted emissions . 9
5.3 Reference sensitivity . 9
5.4 Receiver intermodulation . 9
5.4.1 n100 . 9
5.4.2 n101 . 9
5.5 In-band blocking . 9
5.5.1 n100 . 9
5.5.2 n101 . 9
5.6 Out-of-band blocking . 10
5.6.1 n100 . 10
5.6.2 n101 . 10
6 Specifications for cab radio user equipment . 10
6.0 General . 10
6.1 Output power . 10
6.2 Out-of-band and spurious emissions . 10
6.3 NR ACLR . 10
6.4 Reference sensitivity . 10
6.5 Blocking requirements . 10
6.5.0 General . 10
6.5.1 n100 . 11
6.5.2 n101 . 11
7 Specifications for terminals other than cab radios . 11
7.0 General . 11
7.1 Output power . 11
7.2 Out-of-band and spurious emissions . 11
7.3 NR ACLR . 11
7.4 Reference sensitivity . 12
7.5 Blocking requirements . 12
8 Test cases for base stations . 12
8.1 Transmitter . 12
8.1.1 Output power . 12
8.1.2 Spurious emissions . 12
ETSI
4 Draft ETSI TS 103 793 V1.0.0 (2025-07)
8.2 Receiver . 12
8.2.1 Reference sensitivity . 12
8.2.2 In-band selectivity and blocking . 12
8.2.3 Out-of-band blocking . 12
8.2.4 Receiver intermodulation . 12
9 Test cases for cab radio user equipment . 12
9.0 General . 12
9.1 Transmitter . 12
9.1.1 Output power . 12
9.1.2 NR ACLR . 13
9.1.3 Out-of-band and spurious emissions . 13
9.2 Receiver . 13
9.2.1 Reference sensitivity power level . 13
9.2.2 Blocking . 13
9.2.2.0 General Requirements . 13
9.2.2.1 Test purpose . 13
9.2.2.2 Test method #1 . 13
9.2.2.2.1 Test applicability . 13
9.2.2.2.2 Minimum conformance requirements . 13
9.2.2.2.3 Test description . 14
9.2.2.2.4 Test requirement . 15
9.2.2.3 Test method #2 . 15
9.2.2.3.1 Test applicability . 15
9.2.2.3.2 Minimum conformance requirements . 15
9.2.2.3.3 Test Description. 16
9.2.2.3.4 Test Requirement. 17
10 Test cases for terminals other than cab radios . 18
10.0 General . 18
10.1 Transmitter . 18
10.1.1 Output power . 18
10.1.2 NR ACLR . 18
10.1.3 Out-of-band and spurious emissions . 18
10.2 Receiver . 18
10.2.1 Reference sensitivity power level . 18
10.2.2 Blocking . 18
Annex A (normative): European mobile bands, excluding n100 and n101 . 19
History . 20
ETSI
5 Draft ETSI TS 103 793 V1.0.0 (2025-07)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The declarations
pertaining to these essential IPRs, if any, are publicly available for ETSI members and non-members, and can be
found in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to
ETSI in respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the
ETSI IPR online database.
Pursuant to the ETSI Directives including the ETSI IPR Policy, no investigation regarding the essentiality of IPRs,
including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not
referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become,
essential to the present document.
Trademarks
The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.
ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no
right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does
not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.
DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its
Members. 3GPP™, LTE™ and 5G™ logo 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.
Foreword
This Technical Specification (TS) has been produced by ETSI Technical Committee Railway Telecommunications (RT)
and is now submitted for the combined Public Enquiry and Vote phase of the ETSI Standardisation Request deliverable
Approval Procedure (SRdAP).
Modal verbs terminology
In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and
"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of
provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
ETSI
6 Draft ETSI TS 103 793 V1.0.0 (2025-07)
1 Scope
The present document addresses the specific RF technical characteristics and methods of measurements required by
ECC Decision (20)02 [i.1] for base stations, cab radio user equipment and terminals other than cab radio intended to be
used for the Future Railway Mobile Communications System (FRMCS) and operating in bands as listed in Table 1-1.
Table 1-1: List of supported 3GPP bands and modes of operation
Band name Uplink Downlink Duplex mode RAT
n100 874,4 - 880 MHz 919,4 - 925 MHz FDD 5G NR
n101 1 900 - 1 910 MHz 1 900 - 1 910 MHz TDD 5G NR
The technical characteristics and methods of measurements have been derived from, and are consistent with ECC
Decision (20)02 [i.1], Commission Implementing Decision (EU) 2021/1730 [i.2], ETSI TS 138 101-1 [1], ETSI
TS 138 104 [2], ETSI TS 138 141-1 [3], ETSI TS 138 508-1 [4] and ETSI TS 138 521-1 [5].
For the clauses not specifically mentioned in the present document, compliance with the above mentioned 3GPP
Technical Specifications (TS) is also required for BS and UE. Only BS type 1-C characteristics in the previously
mentioned specifications apply for the base station specifications given in the present document.
2 References
2.1 Normative references
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the
referenced document (including any amendments) applies.
Referenced documents which are not found to be publicly available in the expected location might be found in the
ETSI docbox.
NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee
their long-term validity.
The following referenced documents are necessary for the application of the present document.
[1] ETSI TS 138 101-1 (V18.9.0): "5G; NR; User Equipment (UE) radio transmission and reception;
Part 1: Range 1 Standalone (3GPP TS 38.101-1 version 18.9.0 Release 18)".
[2] ETSI TS 138 104 (V18.9.0): "5G; NR; Base Station (BS) radio transmission and reception (3GPP
TS 38.104 version 18.9.0 Release 18)".
[3] ETSI TS 138 141-1 (V18.9.0): "5G; NR; Base Station (BS) conformance testing Part 1: Conducted
conformance testing (3GPP TS 38.141-1 version 18.9.0 Release 18)".
[4] ETSI TS 138 508-1 (V18.6.0): "LTE; 5G; 5GS; User Equipment (UE) conformance specification;
Part 1: Common test environment (3GPP TS 38.508-1 version 18.6.0 Release 18)".
[5] ETSI TS 138 521-1 (V18.6.0): "5G; NR; User Equipment (UE) conformance specification; Radio
transmission and reception; Part 1: Range 1 standalone (3GPP TS 38.521-1 version 18.6.0
Release 18)".
[6] ETSI EN 302 208 (V3.4.1): "Radio Frequency Identification Equipment operating in the band
865 MHz to 868 MHz with power levels up to 2 W and in the band 915 MHz to 921 MHz with
power levels up to 4 W; Harmonised Standard for access to radio spectrum".
[7] ETSI TS 136 101 (V18.9.0): "LTE; Evolved Universal Terrestrial Radio Access (E-UTRA); User
Equipment (UE) radio transmission and reception (3GPP TS 36.101 version 18.9.0 Release 18)".
ETSI
7 Draft ETSI TS 103 793 V1.0.0 (2025-07)
2.2 Informative references
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the
referenced document (including any amendments) applies.
NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee
their long-term validity.
The following referenced documents may be useful in implementing an ETSI deliverable or add to the reader's
understanding, but are not required for conformance to the present document.
[i.1] ECC Decision (20)02: "Harmonised use of the paired frequency bands 874.4-880.0 MHz and
919.4-925.0 MHz and of the unpaired frequency band 1900-1910 MHz for Railway Mobile Radio
(RMR)".
[i.2] Commission Implementing Decision (EU) 2021/1730 of 28 September 2021 on the harmonised
use of the paired frequency bands 874,4-880,0 MHz and 919,4-925,0 MHz and of the unpaired
frequency band 1900-1910 MHz for Railway Mobile Radio.
[i.3] ETSI TR 103 791: "Rail Telecommunications (RT); Future Railway Mobile Communication
System (FRMCS); Terminology for FRMCS specifications".
3 Definition of terms, symbols and abbreviations
3.1 Terms
For the purposes of the present document, the terms given in ETSI TR 103 791 [i.3] and the following apply:
local area base station: equipment class characterized by requirements derived from Pico Cell scenarios with a BS to
UE minimum coupling loss equal to 45 dB
NOTE: As defined in ETSI TS 138 104 [2], clause 4.4.
medium range base station: equipment class characterized by requirements derived from Micro Cell scenarios with a
BS to UE minimum coupling loss equals to 53 dB
NOTE: As defined in ETSI TS 138 104 [2], clause 4.4.
P : UE's lowest configurable maximum output power for carrier f of serving cell c in each slot
CMAX_L,f,c
NOTE: As defined in ETSI TS 138 521-1 [5], clause 6.2.4.
TRANSFORM_PRECODER_ENABLED: transform precoding is enabled (DFT-s-OFDM UL waveform is
configured)
NOTE: As defined in ETSI TS 138 508-1 [4], Table 4.6.3-118.
wide area base station: equipment class characterized by requirements derived from Macro Cell scenarios with a BS to
UE minimum coupling loss equal to 70 dB
NOTE: As defined in ETSI TS 138 104 [2], clause 4.4.
3.2 Symbols
For the purposes of the present document, the following symbols apply:
BW channel bandwidth
Channel
N transmission bandwidth configuration, expressed in units of resource blocks
RB
P EIRP value
EIRP
ETSI
8 Draft ETSI TS 103 793 V1.0.0 (2025-07)
3.3 Abbreviations
For the purposes of the present document, the following abbreviations apply:
ACLR Adjacent Channel Leakage Ratio
BS Base Station
BW BandWidth
C_RNTI Cell Radio Network Temporary Identifier
CP-OFDM Cyclic Prefix Orthogonal Frequency Division Multiplexing
CW Continuous Wave
DCI Downlink Control Information
DFT-s-OFDM Discrete Fourier Transform-spread Orthogonal Frequency Division Multiplexing
DL DownLink
EIRP Equivalent Isotropically Radiated Power
E-UTRA Enhanced Universal Terrestrial Radi
...
ETSI TS 103 793 V1.1.1 (2025-11)
TECHNICAL SPECIFICATION
Rail Telecommunications (RT);
Future Railway Mobile Communication System (FRMCS);
Radio Characteristics
2 ETSI TS 103 793 V1.1.1 (2025-11)
Reference
DTS/RT-0089
Keywords
FRMCS, radio parameters, railways, testing
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.
No representation or warranty is made that this deliverable is technically accurate or sufficient or conforms to any law
and/or governmental rule and/or regulation and further, no representation or warranty is made of merchantability or fitness
for any particular purpose or against infringement of intellectual property rights.
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 TS 103 793 V1.1.1 (2025-11)
Contents
Intellectual Property Rights . 5
Foreword . 5
Modal verbs terminology . 5
1 Scope . 6
2 References . 6
2.1 Normative references . 6
2.2 Informative references . 7
3 Definition of terms, symbols and abbreviations . 7
3.1 Terms . 7
3.2 Symbols . 7
3.3 Abbreviations . 8
4 Band definitions . 8
4.1 n100 . 8
4.2 n101 . 8
5 Specifications for base stations . 9
5.1 Output power . 9
5.2 Spurious emissions . 9
5.2.0 General . 9
5.2.1 n100 . 9
5.2.2 n101 . 9
5.2.3 Operating band unwanted emissions . 9
5.3 Reference sensitivity . 9
5.4 Receiver intermodulation . 9
5.4.1 n100 . 9
5.4.2 n101 . 9
5.5 In-band blocking . 9
5.5.1 n100 . 9
5.5.2 n101 . 9
5.6 Out-of-band blocking . 10
5.6.1 n100 . 10
5.6.2 n101 . 10
6 Specifications for cab radio user equipment . 10
6.0 General . 10
6.1 Output power . 10
6.2 Out-of-band and spurious emissions . 10
6.3 NR ACLR . 10
6.4 Reference sensitivity . 10
6.5 Blocking requirements . 10
6.5.0 General . 10
6.5.1 n100 . 11
6.5.2 n101 . 11
7 Specifications for terminals other than cab radios . 11
7.0 General . 11
7.1 Output power . 11
7.2 Out-of-band and spurious emissions . 11
7.3 NR ACLR . 11
7.4 Reference sensitivity . 12
7.5 Blocking requirements . 12
8 Test cases for base stations . 12
8.1 Transmitter . 12
8.1.1 Output power . 12
8.1.2 Spurious emissions . 12
ETSI
4 ETSI TS 103 793 V1.1.1 (2025-11)
8.2 Receiver . 12
8.2.1 Reference sensitivity . 12
8.2.2 In-band selectivity and blocking . 12
8.2.3 Out-of-band blocking . 12
8.2.4 Receiver intermodulation . 12
9 Test cases for cab radio user equipment . 12
9.0 General . 12
9.1 Transmitter . 12
9.1.1 Output power . 12
9.1.2 NR ACLR . 13
9.1.3 Out-of-band and spurious emissions . 13
9.2 Receiver . 13
9.2.1 Reference sensitivity power level . 13
9.2.2 Blocking . 13
9.2.2.0 General Requirements . 13
9.2.2.1 Test purpose . 13
9.2.2.2 Test method #1 . 13
9.2.2.2.1 Test applicability . 13
9.2.2.2.2 Minimum conformance requirements . 13
9.2.2.2.3 Test description . 14
9.2.2.2.4 Test requirement . 15
9.2.2.3 Test method #2 . 15
9.2.2.3.1 Test applicability . 15
9.2.2.3.2 Minimum conformance requirements . 15
9.2.2.3.3 Test Description. 16
9.2.2.3.4 Test Requirement. 17
10 Test cases for terminals other than cab radios . 18
10.0 General . 18
10.1 Transmitter . 18
10.1.1 Output power . 18
10.1.2 NR ACLR . 18
10.1.3 Out-of-band and spurious emissions . 18
10.2 Receiver . 18
10.2.1 Reference sensitivity power level . 18
10.2.2 Blocking . 18
Annex A (normative): European mobile bands, excluding n100 and n101 . 19
History . 20
ETSI
5 ETSI TS 103 793 V1.1.1 (2025-11)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The declarations
pertaining to these essential IPRs, if any, are publicly available for ETSI members and non-members, and can be
found in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to
ETSI in respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the
ETSI IPR online database.
Pursuant to the ETSI Directives including the ETSI IPR Policy, no investigation regarding the essentiality of IPRs,
including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not
referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become,
essential to the present document.
Trademarks
The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.
ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no
right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does
not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.
DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its
Members. 3GPP™, LTE™ and 5G™ logo 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.
Foreword
This Technical Specification (TS) has been produced by ETSI Technical Committee Railway Telecommunications
(RT).
Modal verbs terminology
In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and
"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of
provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
ETSI
6 ETSI TS 103 793 V1.1.1 (2025-11)
1 Scope
The present document addresses the specific RF technical characteristics and methods of measurements required by
ECC Decision (20)02 [i.1] for base stations, cab radio user equipment and terminals other than cab radio intended to be
used for the Future Railway Mobile Communications System (FRMCS) and operating in bands as listed in Table 1-1.
Table 1-1: List of supported 3GPP bands and modes of operation
Band name Uplink Downlink Duplex mode RAT
n100 874,4 - 880 MHz 919,4 - 925 MHz FDD 5G NR
n101 1 900 - 1 910 MHz 1 900 - 1 910 MHz TDD 5G NR
The technical characteristics and methods of measurements have been derived from, and are consistent with ECC
Decision (20)02 [i.1], Commission Implementing Decision (EU) 2021/1730 [i.2], ETSI TS 138 101-1 [1], ETSI
TS 138 104 [2], ETSI TS 138 141-1 [3], ETSI TS 138 508-1 [4] and ETSI TS 138 521-1 [5].
For the clauses not specifically mentioned in the present document, compliance with the above mentioned 3GPP
Technical Specifications (TS) is also required for BS and UE. Only BS type 1-C characteristics in the previously
mentioned specifications apply for the base station specifications given in the present document.
2 References
2.1 Normative references
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the
referenced document (including any amendments) applies.
Referenced documents which are not found to be publicly available in the expected location might be found in the
ETSI docbox.
NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee
their long-term validity.
The following referenced documents are necessary for the application of the present document.
[1] ETSI TS 138 101-1 (V18.9.0): "5G; NR; User Equipment (UE) radio transmission and reception;
Part 1: Range 1 Standalone (3GPP TS 38.101-1 version 18.9.0 Release 18)".
[2] ETSI TS 138 104 (V18.9.0): "5G; NR; Base Station (BS) radio transmission and reception (3GPP
TS 38.104 version 18.9.0 Release 18)".
[3] ETSI TS 138 141-1 (V18.9.0): "5G; NR; Base Station (BS) conformance testing Part 1: Conducted
conformance testing (3GPP TS 38.141-1 version 18.9.0 Release 18)".
[4] ETSI TS 138 508-1 (V18.6.0): "LTE; 5G; 5GS; User Equipment (UE) conformance specification;
Part 1: Common test environment (3GPP TS 38.508-1 version 18.6.0 Release 18)".
[5] ETSI TS 138 521-1 (V18.6.0): "5G; NR; User Equipment (UE) conformance specification; Radio
transmission and reception; Part 1: Range 1 standalone (3GPP TS 38.521-1 version 18.6.0
Release 18)".
[6] ETSI EN 302 208 (V3.4.1): "Radio Frequency Identification Equipment operating in the band
865 MHz to 868 MHz with power levels up to 2 W and in the band 915 MHz to 921 MHz with
power levels up to 4 W; Harmonised Standard for access to radio spectrum".
[7] ETSI TS 136 101 (V18.9.0): "LTE; Evolved Universal Terrestrial Radio Access (E-UTRA); User
Equipment (UE) radio transmission and reception (3GPP TS 36.101 version 18.9.0 Release 18)".
ETSI
7 ETSI TS 103 793 V1.1.1 (2025-11)
2.2 Informative references
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the
referenced document (including any amendments) applies.
NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee
their long-term validity.
The following referenced documents may be useful in implementing an ETSI deliverable or add to the reader's
understanding, but are not required for conformance to the present document.
[i.1] ECC Decision (20)02: "Harmonised use of the paired frequency bands 874.4-880.0 MHz and
919.4-925.0 MHz and of the unpaired frequency band 1900-1910 MHz for Railway Mobile Radio
(RMR)".
[i.2] Commission Implementing Decision (EU) 2021/1730 of 28 September 2021 on the harmonised
use of the paired frequency bands 874,4-880,0 MHz and 919,4-925,0 MHz and of the unpaired
frequency band 1900-1910 MHz for Railway Mobile Radio.
[i.3] ETSI TR 103 791: "Rail Telecommunications (RT); Future Railway Mobile Communication
System (FRMCS); Terminology for FRMCS specifications".
3 Definition of terms, symbols and abbreviations
3.1 Terms
For the purposes of the present document, the terms given in ETSI TR 103 791 [i.3] and the following apply:
local area base station: equipment class characterized by requirements derived from Pico Cell scenarios with a BS to
UE minimum coupling loss equal to 45 dB
NOTE: As defined in ETSI TS 138 104 [2], clause 4.4.
medium range base station: equipment class characterized by requirements derived from Micro Cell scenarios with a
BS to UE minimum coupling loss equals to 53 dB
NOTE: As defined in ETSI TS 138 104 [2], clause 4.4.
P : UE's lowest configurable maximum output power for carrier f of serving cell c in each slot
CMAX_L,f,c
NOTE: As defined in ETSI TS 138 521-1 [5], clause 6.2.4.
TRANSFORM_PRECODER_ENABLED: transform precoding is enabled (DFT-s-OFDM UL waveform is
configured)
NOTE: As defined in ETSI TS 138 508-1 [4], Table 4.6.3-118.
wide area base station: equipment class characterized by requirements derived from Macro Cell scenarios with a BS to
UE minimum coupling loss equal to 70 dB
NOTE: As defined in ETSI TS 138 104 [2], clause 4.4.
3.2 Symbols
For the purposes of the present document, the following symbols apply:
BW channel bandwidth
Channel
N transmission bandwidth configuration, expressed in units of resource blocks
RB
P EIRP value
EIRP
ETSI
8 ETSI TS 103 793 V1.1.1 (2025-11)
3.3 Abbreviations
For the purposes of the present document, the following abbreviations apply:
ACLR Adjacent Channel Leakage Ratio
BS Base Station
BW BandWidth
C_RNTI Cell Radio Network Temporary Identifier
CP-OFDM Cyclic Prefix Orthogonal Frequency Division Multiplexing
CW Continuous Wave
DCI Downlink Control Information
DFT-s-OFDM Discrete Fourier Transform-spread Orthogonal Frequency Division Multiplexing
DL DownLink
EIRP Equivalent Isotropically Radiated Power
E-UTRA Enhanced Universal Terrestrial Radio Access
FDD Frequency Division Duplex
FRMCS Future Railway Mobile Commu
...
SLOVENSKI STANDARD
oSIST-TS ETSI/prTS 103 793 V1.0.0:2025
01-september-2025
Železniške telekomunikacije (RT) - Prihodnji sistem radijskih komunikacij za
železnice (FRMCS) - Radijske značilnosti
Rail Telecommunications (RT) - Future Railway Mobile Communication System
(FRMCS) - Radio Characteristics
Ta slovenski standard je istoveten z: ETSI TS 103 793 V1.0.0 (2025-07)
ICS:
33.060.01 Radijske komunikacije na Radiocommunications in
splošno general
45.020 Železniška tehnika na Railway engineering in
splošno general
oSIST-TS ETSI/prTS 103 793 V1.0.0:2025 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
oSIST-TS ETSI/prTS 103 793 V1.0.0:2025
oSIST-TS ETSI/prTS 103 793 V1.0.0:2025
Draft ETSI TS 103 793 V1.0.0 (2025-07)
TECHNICAL SPECIFICATION
Rail Telecommunications (RT);
Future Railway Mobile Communication System (FRMCS);
Radio Characteristics
oSIST-TS ETSI/prTS 103 793 V1.0.0:2025
2 Draft ETSI TS 103 793 V1.0.0 (2025-07)
Reference
DTS/RT-0089
Keywords
FRMCS, radio parameters, railways, testing
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ETSI
oSIST-TS ETSI/prTS 103 793 V1.0.0:2025
3 Draft ETSI TS 103 793 V1.0.0 (2025-07)
Contents
Intellectual Property Rights . 5
Foreword . 5
Modal verbs terminology . 5
1 Scope . 6
2 References . 6
2.1 Normative references . 6
2.2 Informative references . 7
3 Definition of terms, symbols and abbreviations . 7
3.1 Terms . 7
3.2 Symbols . 7
3.3 Abbreviations . 8
4 Band definitions . 8
4.1 n100 . 8
4.2 n101 . 8
5 Specifications for base stations . 9
5.1 Output power . 9
5.2 Spurious emissions . 9
5.2.0 General . 9
5.2.1 n100 . 9
5.2.2 n101 . 9
5.2.3 Operating band unwanted emissions . 9
5.3 Reference sensitivity . 9
5.4 Receiver intermodulation . 9
5.4.1 n100 . 9
5.4.2 n101 . 9
5.5 In-band blocking . 9
5.5.1 n100 . 9
5.5.2 n101 . 9
5.6 Out-of-band blocking . 10
5.6.1 n100 . 10
5.6.2 n101 . 10
6 Specifications for cab radio user equipment . 10
6.0 General . 10
6.1 Output power . 10
6.2 Out-of-band and spurious emissions . 10
6.3 NR ACLR . 10
6.4 Reference sensitivity . 10
6.5 Blocking requirements . 10
6.5.0 General . 10
6.5.1 n100 . 11
6.5.2 n101 . 11
7 Specifications for terminals other than cab radios . 11
7.0 General . 11
7.1 Output power . 11
7.2 Out-of-band and spurious emissions . 11
7.3 NR ACLR . 11
7.4 Reference sensitivity . 12
7.5 Blocking requirements . 12
8 Test cases for base stations . 12
8.1 Transmitter . 12
8.1.1 Output power . 12
8.1.2 Spurious emissions . 12
ETSI
oSIST-TS ETSI/prTS 103 793 V1.0.0:2025
4 Draft ETSI TS 103 793 V1.0.0 (2025-07)
8.2 Receiver . 12
8.2.1 Reference sensitivity . 12
8.2.2 In-band selectivity and blocking . 12
8.2.3 Out-of-band blocking . 12
8.2.4 Receiver intermodulation . 12
9 Test cases for cab radio user equipment . 12
9.0 General . 12
9.1 Transmitter . 12
9.1.1 Output power . 12
9.1.2 NR ACLR . 13
9.1.3 Out-of-band and spurious emissions . 13
9.2 Receiver . 13
9.2.1 Reference sensitivity power level . 13
9.2.2 Blocking . 13
9.2.2.0 General Requirements . 13
9.2.2.1 Test purpose . 13
9.2.2.2 Test method #1 . 13
9.2.2.2.1 Test applicability . 13
9.2.2.2.2 Minimum conformance requirements . 13
9.2.2.2.3 Test description . 14
9.2.2.2.4 Test requirement . 15
9.2.2.3 Test method #2 . 15
9.2.2.3.1 Test applicability . 15
9.2.2.3.2 Minimum conformance requirements . 15
9.2.2.3.3 Test Description. 16
9.2.2.3.4 Test Requirement. 17
10 Test cases for terminals other than cab radios . 18
10.0 General . 18
10.1 Transmitter . 18
10.1.1 Output power . 18
10.1.2 NR ACLR . 18
10.1.3 Out-of-band and spurious emissions . 18
10.2 Receiver . 18
10.2.1 Reference sensitivity power level . 18
10.2.2 Blocking . 18
Annex A (normative): European mobile bands, excluding n100 and n101 . 19
History . 20
ETSI
oSIST-TS ETSI/prTS 103 793 V1.0.0:2025
5 Draft ETSI TS 103 793 V1.0.0 (2025-07)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The declarations
pertaining to these essential IPRs, if any, are publicly available for ETSI members and non-members, and can be
found in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to
ETSI in respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the
ETSI IPR online database.
Pursuant to the ETSI Directives including the ETSI IPR Policy, no investigation regarding the essentiality of IPRs,
including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not
referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become,
essential to the present document.
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Foreword
This Technical Specification (TS) has been produced by ETSI Technical Committee Railway Telecommunications (RT)
and is now submitted for the combined Public Enquiry and Vote phase of the ETSI Standardisation Request deliverable
Approval Procedure (SRdAP).
Modal verbs terminology
In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and
"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of
provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
ETSI
oSIST-TS ETSI/prTS 103 793 V1.0.0:2025
6 Draft ETSI TS 103 793 V1.0.0 (2025-07)
1 Scope
The present document addresses the specific RF technical characteristics and methods of measurements required by
ECC Decision (20)02 [i.1] for base stations, cab radio user equipment and terminals other than cab radio intended to be
used for the Future Railway Mobile Communications System (FRMCS) and operating in bands as listed in Table 1-1.
Table 1-1: List of supported 3GPP bands and modes of operation
Band name Uplink Downlink Duplex mode RAT
n100 874,4 - 880 MHz 919,4 - 925 MHz FDD 5G NR
n101 1 900 - 1 910 MHz 1 900 - 1 910 MHz TDD 5G NR
The technical characteristics and methods of measurements have been derived from, and are consistent with ECC
Decision (20)02 [i.1], Commission Implementing Decision (EU) 2021/1730 [i.2], ETSI TS 138 101-1 [1], ETSI
TS 138 104 [2], ETSI TS 138 141-1 [3], ETSI TS 138 508-1 [4] and ETSI TS 138 521-1 [5].
For the clauses not specifically mentioned in the present document, compliance with the above mentioned 3GPP
Technical Specifications (TS) is also required for BS and UE. Only BS type 1-C characteristics in the previously
mentioned specifications apply for the base station specifications given in the present document.
2 References
2.1 Normative references
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the
referenced document (including any amendments) applies.
Referenced documents which are not found to be publicly available in the expected location might be found in the
ETSI docbox.
NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee
their long-term validity.
The following referenced documents are necessary for the application of the present document.
[1] ETSI TS 138 101-1 (V18.9.0): "5G; NR; User Equipment (UE) radio transmission and reception;
Part 1: Range 1 Standalone (3GPP TS 38.101-1 version 18.9.0 Release 18)".
[2] ETSI TS 138 104 (V18.9.0): "5G; NR; Base Station (BS) radio transmission and reception (3GPP
TS 38.104 version 18.9.0 Release 18)".
[3] ETSI TS 138 141-1 (V18.9.0): "5G; NR; Base Station (BS) conformance testing Part 1: Conducted
conformance testing (3GPP TS 38.141-1 version 18.9.0 Release 18)".
[4] ETSI TS 138 508-1 (V18.6.0): "LTE; 5G; 5GS; User Equipment (UE) conformance specification;
Part 1: Common test environment (3GPP TS 38.508-1 version 18.6.0 Release 18)".
[5] ETSI TS 138 521-1 (V18.6.0): "5G; NR; User Equipment (UE) conformance specification; Radio
transmission and reception; Part 1: Range 1 standalone (3GPP TS 38.521-1 version 18.6.0
Release 18)".
[6] ETSI EN 302 208 (V3.4.1): "Radio Frequency Identification Equipment operating in the band
865 MHz to 868 MHz with power levels up to 2 W and in the band 915 MHz to 921 MHz with
power levels up to 4 W; Harmonised Standard for access to radio spectrum".
[7] ETSI TS 136 101 (V18.9.0): "LTE; Evolved Universal Terrestrial Radio Access (E-UTRA); User
Equipment (UE) radio transmission and reception (3GPP TS 36.101 version 18.9.0 Release 18)".
ETSI
oSIST-TS ETSI/prTS 103 793 V1.0.0:2025
7 Draft ETSI TS 103 793 V1.0.0 (2025-07)
2.2 Informative references
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the
referenced document (including any amendments) applies.
NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee
their long-term validity.
The following referenced documents may be useful in implementing an ETSI deliverable or add to the reader's
understanding, but are not required for conformance to the present document.
[i.1] ECC Decision (20)02: "Harmonised use of the paired frequency bands 874.4-880.0 MHz and
919.4-925.0 MHz and of the unpaired frequency band 1900-1910 MHz for Railway Mobile Radio
(RMR)".
[i.2] Commission Implementing Decision (EU) 2021/1730 of 28 September 2021 on the harmonised
use of the paired frequency bands 874,4-880,0 MHz and 919,4-925,0 MHz and of the unpaired
frequency band 1900-1910 MHz for Railway Mobile Radio.
[i.3] ETSI TR 103 791: "Rail Telecommunications (RT); Future Railway Mobile Communication
System (FRMCS); Terminology for FRMCS specifications".
3 Definition of terms, symbols and abbreviations
3.1 Terms
For the purposes of the present document, the terms given in ETSI TR 103 791 [i.3] and the following apply:
local area base station: equipment class characterized by requirements derived from Pico Cell scenarios with a BS to
UE minimum coupling loss equal to 45 dB
NOTE: As defined in ETSI TS 138 104 [2], clause 4.4.
medium range base station: equipment class characterized by requirements derived from Micro Cell scenarios with a
BS to UE minimum coupling loss equals to 53 dB
NOTE: As defined in ETSI TS 138 104 [2], clause 4.4.
P : UE's lowest configurable maximum output power for carrier f of serving cell c in each slot
CMAX_L,f,c
NOTE: As defined in ETSI TS 138 521-1 [5], clause 6.2.4.
TRANSFORM_PRECODER_ENABLED: transform precoding is enabled (DFT-s-OFDM UL waveform is
configured)
NOTE: As defined in ETSI TS 138 508-1 [4], Table 4.6.3-118.
wide area base station: equipment class characterized by requirements derived from Macro Cell scenarios with a BS to
UE minimum coupling loss equal to 70 dB
NOTE: As defined in ETSI TS 138 104 [2], clause 4.4.
3.2 Symbols
For the purposes of the present document, the following symbols apply:
BW channel bandwidth
Channel
N transmission bandwidth configuration, expressed in units of resource blocks
RB
P EIRP value
EIRP
ETSI
oSIST-TS ETSI/prTS 103 793 V1.0.0:2025
8 Draft ETSI TS 103 793 V1.0.0 (2025-07)
3.3 Abbreviations
For the purposes of the present document, the following abbreviations apply:
ACLR Adjacent Channel Leakage Ratio
BS Base Station
BW BandWidth
C_RNTI Cell Radio Network Te
...
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