Switzerland and the Principality of Liechtenstein
Radio Interface Regulation

784.101.21 / RIR11021)
CB Radio

26960 - 27410 kHz
Max. 4 W (AM,FM), max. 12 W PEP (SSB)
Edition 6.0 / 01.08.2018

Nr Parameter2)DescriptionComments
1Radiocommunication serviceMobile-
2ApplicationDSB/SSB AM CB / CEPT PR 27Intended for radio communications with transmission and reception taking place on the same channel only.
Not allowed to transmit music and broadcast programs.
3Frequency band26960 - 27410 kHzExcluding the channels with center frequencies 26.995 MHz, 27.045 MHz, 27.095 MHz, 27.145 MHz and 27.195 MHz
4Channelling10 kHz-
5Modulation / Occupied bandwidthF3E (FM)
A3E (AM),
J3E (SSB, using USB or LSB)
6Direction / Separation--
7Transmit power / Power density4 W (AM, FM) conducted.
12 W PEP (SSB) conducted.
External antenna allowed.
With internal antenna max. 4 W e.r.p. for FM/AM, 12 W PEP e.r.p. for SSB.
Use of external power amplifier not allowed.
8Channel access and occupation rules--
9Authorisation regimeSwitzerland: License exempt.
Liechtenstein: General authorisation.
10Additional essential requirements--
11Frequency planning assumptionsEN 300 433All RX and TX parameters of the standard are taken in account
12Planned changes--
13ReferenceEN 300 433 / ECC/DEC/(11)03 /-.Effective use of spectrum / ECC Decisions / ECC Recommendations.
14Notification numberG/TBT/N/CHE/174
15RemarksEN 301 489-13-

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/bakom/en/home/frequenzen-antennen/nationaler-frequenzzuweisungsplan/schnittstellen-anforderungen.html
2) For explanations and legal status, please refer to basis document 784.101.21 / RIR0000