Switzerland and the Principality of Liechtenstein
Radio Interface Regulation

784.101.21 / RIR10031)
Tracking, tracing and data acquisition

RIR1003-13
Tracking, tracing and data acquisition: SRD's in data networks
917.3 - 917.7 MHz
500 mW, max. 2.5% DC, BW max. 200 kHz
Edition 1.0 / 01.05.2020

Nr Parameter2)DescriptionComments
1Radiocommunication service--
2ApplicationTracking, tracing and data acquisitionData networks, such as for utilities or other applications for the purpose of data acquisition.
For network access points please refer to RIR1003-14.
3Frequency band917.3 - 917.7 MHz-
4Channelling--
5Modulation / Occupied bandwidth- / max. 200 kHz.-
6Direction / Separation--
7Transmit power / Power densityMax. 500 mW e.r.p.-
8Channel access and occupation rulesDuty cycle max. 2.5% and APC required.APC is able to reduce the equipment’s ERP from its maximum to ≤ 5 mW.
Alternatively to APC, other mitigation techniques which achieve at least an equivalent level of spectrum compatibility may be used.
All nomadic and mobile devices within the data network shall be controlled by a master network access point (NAP).
9Authorisation regimeSwitzerland: License exempt.
Liechtenstein: General authorisation.		Operation on NIB / NPB. (Non interference basis / non protection basis).
10Additional essential requirements--
11Frequency planning assumptionsEN 303 659 (in development)-
12Planned changes--
13ReferenceEN 303 659 (in development) /-/ ERC/REC 70-03, Annex 2.Effective use of spectrum / ECC Decisions / ECC Recommendations.
14Notification numberG/TBT/N/CHE/242
2020/9501/CH		-
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