Switzerland and the Principality of Liechtenstein
Radio Interface Regulation

784.101.21 / RIR05101)
ITS

DRAFT - RIR0510-01
ITS
5875 - 5925 MHz
ITS, safety-related applications
Edition 4.0.1 / 01.09.2026

Draft version of RIR
This draft RIR is merely for information purposes and is not legally binding at the time of this publication and their contents can still undergo important modifications until officially released.

Nr Parameter2)DescriptionComments
1Radiocommunication serviceLand mobile-
2ApplicationITSSafety-Related Intelligent Transport Systems (ITS).
ITS encompass Road ITS and Urban Rail ITS.
3Frequency band5875 - 5925 MHzCarrier centre frequencies: refer to EN 302 571.
4Channelling10 MHz-
5Modulation / Occupied bandwidth-/ Max. 20 MHz-
6Direction / Separation--
7Transmit power / Power densityMax. 33 dBm e.i.r.p.
PSD: Max. 23 dBm/MHz e.i.r.p.
RF Output power, Transmit Power Control (TPC) and Power Spectral Density (PSD): refer to EN 302 571.
8Channel access and occupation rulesLBT and TPC-
9Authorisation regimeSwitzerland: License exempt.
Liechtenstein: General authorisation.
Operation on NIB / NPB. (Non interference basis / non protection basis).
10Additional essential requirements--
11Frequency planning assumptionsEN 302 571-
12Planned changes--
13ReferenceEN 302 571 / ECC/DEC/(08)01 /-.Effective use of spectrum / ECC Decisions / ECC Recommendations.
14Notification numbertbd.-
15RemarksEN 301 489-17. ECC Report 290.-

Normative part: 1 to 11
Informative part: Nr 12 to 15

1) RIR for similar and/or other applications are available under: https://www.bakom.admin.ch/en/technical-interface-regulations
2) For explanations and legal status, please refer to basis document 784.101.21 / RIR0000