Switzerland and the Principality of Liechtenstein
Radio Interface Regulation

784.101.21 / RIR10231)
UWB applications

RIR1023-03
Communication applications
1600 - 10600 MHz
Installed in automotive and railway vehicles
Edition 5.0 / 01.01.2020

Nr Parameter2)DescriptionComments
1Radiocommunication service--
2ApplicationCommunication applicationsUWB Communications applications. UWB equipment installed or used in automotive and railway vehicles.
Not applicable for flying models, outdoor installation and infrastructure, indoor equipment connected to outdoor antennas and equipment installed or used in aircraft and other airborne environment.
3Frequency band1600 - 10600 MHzMain operating frequency bands:
A: 3100 - 4800 MHz.
B: 6000 - 8500 MHz.
C: 8500 - 9000 MHz.
4Channelling--
5Modulation / Occupied bandwidthUWB Multi-band OFDM pseudo-carrier, Gaussian Mono Cycle Pulses or other modulation may be used.-
6Direction / Separation--
7Transmit power / Power densityLimits for peak e.i.r.p. and e.i.r.p. spectral density according to ECC/DEC/(06)04 Annex 1, Table 2 and 3.Limits for max. peak e.i.r.p. and max. mean e.i.r.p. spectral density according to ECC/DEC/(06)04, Annex 1.
UWB devices are permitted to operate with a max. mean e.i.r.p. spectral density of -41.3 dBm/MHz and a max. peak e.i.r.p. of 0 dBm (measured in 50 MHz) under conditions defined in ECC/DEC/(06)04, Annex 1.
UWB devices placed on the market before 31st December 2010 are permitted to operate in the frequency band 4200 - 4800 MHz with a max. mean e.i.r.p. spectral density of -41.3 dBm/MHz and a max. peak e.i.r.p. of 0 dBm (measured in 50MHz).
8Channel access and occupation rulesAccording to ECC/DEC/(06)04.Mitigation techniques: Low Duty Cycle, Detect and Avoid, Transmit Power Control, Exterior Limit, Trigger before Transmit according to ECC/DEC/(06)04.
9Authorisation regimeSwitzerland: License exempt.
Liechtenstein: General authorisation.
Operation on NIB / NPB. (Non interference basis / non protection basis).
10Additional essential requirements--
11Frequency planning assumptionsECC/DEC/(06)04, EN 302 065-3.TR 101 994-1 V1.1.1 (2004-01)
12Planned changes--
13ReferenceEN 302 065-3 / ECC/DEC/(06)04 /-.Effective use of spectrum / ECC Decisions / ECC Recommendations.
14Notification numberG/TBT/N/CHE/239
2019/9507/CH
-
15RemarksEN 301 489-33-

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