Switzerland and the Principality of Liechtenstein
Radio Interface Regulation

784.101.21 / RIR10091)
Radio microphones and ALD

DRAFT - RIR1009-02
Radio microphones
174 - 223 MHz
100 mW e.i.r.p.
Edition 5.0.1 / 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 service--
2ApplicationRadio microphones-
3Frequency band174 - 223 MHz-
4Channelling-On a tuning range basis.
5Modulation / Occupied bandwidth--
6Direction / Separation--
7Transmit power / Power densityMax. 100 mW e.i.r.p.-
8Channel access and occupation rules--
9Authorisation regimeSwitzerland: License exempt.
Liechtenstein: General authorisation.
Operation on NIB / NPB (Non interference basis / non protection basis).
10Additional essential requirements--
11Frequency planning assumptionsEN 300 422-1 or EN 300 422-2 or EN 300 422-3.-
12Planned changes--
13ReferenceEN 300 422-1 or EN 300 422-2 or EN 300 422-3 /-/ ERC/REC 70-03, Annex 10.Effective use of spectrum / ECC Decisions / ECC Recommendations.
14Notification numbertbd.-
15RemarksEN 301 489-9-

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