RIR1004-22

Switzerland and the Principality of Liechtenstein

Radio Interface Regulation

784.101.21 / RIR1004¹⁾

Radiodetermination applications

RIR1004-22

NMR

100 Hz - 130 MHz

Nuclear Magnetic Resonance (NMR)

Edition 1.0 / 01.01.2023

Nr	Parameter²⁾	Description	Comments
1	Radiocommunication service	-	-
2	Application	NMR	For enclosed Nuclear Magnetic Resonance (NMR) applications.
3	Frequency band	A: 100 - 148000 Hz B: 148 - 5000 kHz C: 5 - 30 MHz D: 30 - 130 MHz	-
4	Channelling	-	-
5	Modulation / Occupied bandwidth	-	-
6	Direction / Separation	-	-
7	Transmit power / Power density	Limits for max. H-field strength: A: 100 - 148000 Hz: 46 dBµA/m at 10 m distance at 100 Hz outside the NMR device, Magnetic field strength descending 10dB/decade above 100 Hz. B: 148 - 5000 kHz: -15 dBµA/m at 10 m distance outside the NMR device. C: 5 - 30 MHz: -5 dBµA/m at 10m distance outside the NMR device. D: 30 - 130 MHz: -36 dBm e.r.p. outside the NMR device.	-
8	Channel access and occupation rules	-	-
9	Authorisation regime	Switzerland: License exempt. Liechtenstein: General authorisation.	Operation on NIB / NPB. (Non interference basis / non protection basis).
10	Additional essential requirements	-	-
11	Frequency planning assumptions	EN 303 658 (in development).	-
12	Planned changes	-	-
13	Reference	EN 303 658 /-/ ERC/REC 70-03, Annex 6.	Effective use of spectrum / ECC Decisions / ECC Recommendations.
14	Notification number	G/TBT/N/CHE/274 2022/9504/CH	-
15	Remarks	TR 103 517	-

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