Switzerland and the Principality of Liechtenstein
Radio Interface Regulation

784.101.21 / RIR10041)
Radiodetermination applications

RIR1004-20
Drone detection radar
76 - 77 GHz
Max. 55 dBm peak e.i.r.p.
Edition 1.0 / 01.04.2019

Nr Parameter2)DescriptionComments
1Radiocommunication service--
2ApplicationVehicle and infrastructure radarDrone detection radar.
3Frequency band76 - 77 GHz-
4Channelling--
5Modulation / Occupied bandwidth--
6Direction / Separation--
7Transmit power / Power densityMax. 55 dBm peak e.i.r.p.
Max. 50 dBm average e.i.r.p.
Max. 23.5 dBm average e.i.r.p. for pulse radar.		-
8Channel access and occupation rulesFixed transportation infrastructure radars have to be of a scanning nature in order to limit the illumination time and ensure a minimum silent time to achieve coexistence with automotive radar systems. -
9Authorisation regimeSwitzerland: License exempt.
Liechtenstein: General authorisation.		Operation on NIB / NPB. (Non interference basis / non protection basis).
10Additional essential requirements--
11Frequency planning assumptionsEN 301 091-1, EN 301 091-2.-
12Planned changes--
13ReferenceEN 301 091-1, EN 301 091-2 /-/ ERC/REC 70-03, Annex 5.Effective use of spectrum / ECC Decisions / ECC Recommendations.
14Notification number2019/9501/CH
G/TBT/N/CHE/233		-
15RemarksEN 301 489-3. ECC Report 262.-

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