Switzerland and the Principality of Liechtenstein
Radio Interface Regulation

784.101.21 / RIR05111)
Low and Medium Power terrestrial Wireless Broadband systems (WBB LMP)

DRAFT - RIR0511-01
WBB LMP
3800 - 4200 MHz
-
Edition 1.0.2 / 01.09.2026

Draft version of RIR
This draft RIR is merely for information purposes and is not legally binding at the time of this publication and their contents can still undergo important modifications until officially released.

Nr Parameter2)DescriptionComments
1Radiocommunication serviceMobile-
2ApplicationWBB LMPBase Station and Terminals for WBB LMP networks restricted to geographically delimited local areas. Aerial terminals not allowed.
3Frequency band3800 - 4200 MHz-
4Channelling--
5Modulation / Occupied bandwidth--
6Direction / Separation--
7Transmit power / Power densityLow power base station:
≤ 24 dBm/channel for BW ≤ 20 MHz
≤ 18 dBm/5 MHz for BW > 20 MHz

Medium power base station:
≤ 44 dBm/channel for BW ≤ 20 MHz
≤ 38 dBm/5MHz for BW > 20 MHz

Terminal:
28 dBm t.r.p. (including a 2 dB tolerance)		According to license / individual assignment.
8Channel access and occupation rules--
9Authorisation regimeSwitzerland: License required.
Liechtenstein: Individual assignment required.		Terminals are license exempt on the condition that the terminals are under the control of a network for which a valid spectrum license is required.
10Additional essential requirements--
11Frequency planning assumptionsAccording to the standard of used technology. ECC/DEC/(24)01 Annex 1.-
12Planned changes--
13ReferenceETSI EN 301 908-1, ETSI EN 301 908-24, ETSI EN 301 908-25 / ECC/DEC/(24)01 / ECC/REC/(25)03, ECC/REC/(26)02, ECC/REC/(26)03Effective use of spectrum / ECC Decisions / ECC Recommendations.
14Notification numbertbd.-
15Remarks-Aerial terminals under study.

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/en/technical-interface-regulations
2) For explanations and legal status, please refer to basis document 784.101.21 / RIR0000