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ETSI TC RT: Technical Standards for FRMCS

The Technical Committee Rail Telecommunications (TC RT) of the European Telecommunications Standards Institute (ETSI) develops and maintains technical standards for GSM-R and FRMCS. ETSI: Technical Committee Rail Telecommunications

v1.0Source material checked: 02 Oct 2026

Type: ETSI technical committee · ID: G11

The Technical Committee Rail Telecommunications (TC RT) of the European Telecommunications Standards Institute (ETSI) develops and maintains technical standards for GSM-R and FRMCS. ETSI: Technical Committee Rail Telecommunications

Role in the FRMCS Context

Its FRMCS topics include system architecture, functions, radio parameters, terminal capabilities, the Onboard Radio Interface (OBRAD) and interworking with GSM-R. The committee works together with the UIC and 3GPP. ETSI: Technical Committee Rail Telecommunications

For manufacturers and integrators, this work provides technical references for implementation. A concrete example is TS 103 792 on interworking between FRMCS and GSM-R. For test planning, TS 104 070 is relevant: it addresses test applicability and the structured statement of which capabilities an implementation supports. ETSI TS 103 792 V1.1.1 – Interworking with GSM-R ETSI TS 104 070 V1.1.1 – Test Applicability / ICS

Significance and Binding Nature

A published Technical Specification (TS) is initially a technical reference document. Whether, and to what extent, it is decisive for a specific project must be checked against the referenced version and the scope of application. Publication and proven product conformity are different statements.

Working Groups and Cooperation

TC RT is the technical committee. Test events and specific product evidence should be captured separately as their own activities or results. The ETSI conformity documents make this distinction practically usable for evidence planning. ETSI TS 104 070 V1.1.1 – Test Applicability / ICS

Practical Guidance

Recommendation for procurement: instead of the blanket requirement "ETSI-compliant", explicitly name the relevant documents, versions, functions and evidence.

Documents and deliverables

Document

ETSI TS 103 792

Interworking between FRMCS and GSM-R

Documented status

V1.1.1, January 2026

Document

ETSI TS 104 070

Test applicability and Implementation Conformance Statement (ICS)

Documented status

V1.1.1, September 2026

Document

ETSI TS 104 069-1 / -2

Application conformance for client and server respectively

Documented status

V1.1.1, September 2026; listed at TC RT

Practical perspective

Recommendation for procurement: instead of the blanket requirement "ETSI-compliant", explicitly name the relevant documents, versions, functions and evidence.

Frequently asked question

Does an ICS declaration already prove a passed test?

No. An Implementation Conformance Statement describes supported capabilities. TS 104 070 addresses these statements and test applicability; a specific test result must be evidenced in addition. [ETSI TS 104 070 V1.1.1 – Test Applicability / ICS](https://www.etsi.org/deliver/etsi_ts/104000_104099/104070/01.01.01_60/ts_104070v010101p.pdf)

Related bodies

  • Parent body: European Telecommunications Standards Institute

Sources and review status

  1. [1]ETSI: Technical Committee Rail Telecommunications(02 Oct 2026)
  2. [2]ETSI TS 103 792 V1.1.1 – Interworking with GSM-R(02 Oct 2026)
  3. [3]ETSI TS 104 070 V1.1.1 – Test Applicability / ICS(02 Oct 2026)