Switzerland and the Principality of Liechtenstein
Radio Interface Regulation

784.101.21 / RIR06031)
Maritime communications

161.975 MHz / 162.025 MHz
Automatic Identification System
Edition 4.0 / 01.08.2018

Nr Parameter2)DescriptionComments
1Radiocommunication serviceMaritime mobile-
2ApplicationAISUniversal shipborne automatic identification system. To be use only on the Rhine, between Rheinfelden and Kembs.
3Frequency bandA: 161.9625 - 161.9875 MHz
B: 162.0125 - 162.0375 MHz
4Channelling12.5 kHz, 25 kHz-
5Modulation / Occupied bandwidthGMSK / FM-
6Direction / Separation--
7Transmit power / Power densityMax. 25 W-
8Channel access and occupation rules--
9Authorisation regimeSwitzerland: License required.Maritime AIS equipment shall not be operated on the territories of Switzerland and the Principality of Liechtenstein, with the exception on the Rhine, between Rheinfelden and Kembs.
10Additional essential requirements--
11Frequency planning assumptions--
12Planned changes--
13ReferenceEN 303 098 /-/-.Effective use of spectrum / ECC Decisions / ECC Recommendations.
14Notification numberG/TBT/N/CHE/142
15RemarksEN 60945. SOLAS, Recommendation ITU-R M.1371, Report ITU-R M.2231.-

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