Switzerland and the Principality of Liechtenstein
Radio Interface Regulation

784.101.21 / RIR10081)
Non-specific SRDs

Non-specific SRDs
433.050- 434.790 MHz
1 mW e.r.p.
Edition 6.0 / 01.08.2018

Nr Parameter2)DescriptionComments
1Radiocommunication service--
2ApplicationNon-specific SRDsFor any type of application which fulfils the technical conditions (typical uses are telemetry, telecommand, alarms, data in general and other similar applications).
Audio and video applications are excluded. Voice applications allowed with advanced mitigation techniques.
3Frequency band433.050 - 434.790 MHz-
5Modulation / Occupied bandwidth- / max. 25 kHz for voice applications.-
6Direction / Separation--
7Transmit power / Power densityMax. 1 mW e.r.p.,
Max. -13 dBm/10 kHz for modulation bandwidth larger than 250 kHz.
8Channel access and occupation rulesVoice applications allowed with advanced mitigation techniques according to EN 300 220-2.Voice applications allowed with LBT and 1 minute time-out- timer.
For spectrum access techniques refer to EN 300 220-2.
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 /-/ ERC/REC 70-03, Annex 1.Effective use of spectrum / ECC Decisions / ECC Recommendations.
14Notification numberG/TBT/N/CHE/153
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