Switzerland and the Principality of Liechtenstein
Radio Interface Regulation

784.101.21 / RIR10031)
Tracking, tracing and data acquisition

Detection of avalanche victims
866.885 - 866.915 MHz
32 W e.r.p. interrogator
Edition 2.0 / 01.08.2018

Nr Parameter2)DescriptionComments
1Radiocommunication service--
2ApplicationEmergency detectionRFID detection system consisting of interrogator with transmitting frequency f1 and receiver with receiving frequency of 2x f1 intended to search for avalanche victims at ground and on board of rescue helicopters. Intended use in the area of ski resorts by professional trained rescue personnel only.
3Frequency band866.885 - 866.915 MHzInterrogator transmitting frequency band.
Centre frequency f1 = 866.9 MHz
5Modulation / Occupied bandwidth--
6Direction / Separation--
7Transmit power / Power densityMax. 4 W conducted transmit power, max. 32 W e.r.p. (Interrogator).Max. 32 W e.r.p. within the interrogator transmitting frequency band.
Refer to EN 302 208-1, clause 8.3.
8Channel access and occupation rulesDuty Cycle up to 20 %.-
9Authorisation regimeSwitzerland: License exempt.(Operation restrictions listed in the column ''comments'' applies for Switzerland and Liechtenstein)
Liechtenstein: General authorisation.
Operation on NIB / NPB. (Non interference basis / non protection basis).
The operation is limited to ski resorts and to professional trained rescue personnel only.
Equipment on board rescue helicopters shall be used near avalanche places only.
10Additional essential requirements--
11Frequency planning assumptionsEN 302 208Except max. power level, transmitter spectrum mask, tag emissions power level and receiver parameters.
Maximum beamwidth of the antenna (in one plane) = 90 degree.
12Planned changes--
13ReferenceEN 302 208 /-/ ERC/REC 70-03, Annex 11.Effective use of spectrum / ECC Decisions / ECC Recommendations.
14Notification numberG/TBT/N/CHE/174
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