Switzerland and the Principality of Liechtenstein
Radio Interface Regulation

784.101.21 / RIR10131)
Wireless audio applications

RIR1013-02
Baby monitoring
27810 - 27880 kHz
100 mW e.r.p.
Edition 3.0 / 01.08.2018

Nr Parameter2)DescriptionComments
1Radiocommunication service--
2ApplicationBaby monitoring-
3Frequency bandA: 27810 - 27840 kHz
B: 27850 - 27880 kHz
Center Frequencies: 27815 kHz, 27825 kHz, 27835 kHz, 27855 kHz, 27865 kHz, 27875 kHz
4Channelling10 kHz-
5Modulation / Occupied bandwidth--
6Direction / Separation--
7Transmit power / Power densityMax. 100 mW e.r.p.-
8Channel access and occupation rulesBaby monitoring systems shall not transmit in the absence of audio input signals.-
9Authorisation regimeSwitzerland: License exempt.
Liechtenstein: General authorisation.
Operation on NIB / NPB. (Non interference basis / non protection basis).
10Additional essential requirements--
11Frequency planning assumptionsEN 300 220-2-
12Planned changes--
13ReferenceEN 300 220-2 /-/-.Effective use of spectrum / ECC Decisions / ECC Recommendations.
14Notification numberG/TBT/N/CHE/102
2008/9503/CH
-
15RemarksEN 301 489-3-

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