Switzerland and the Principality of Liechtenstein
Radio Interface Regulation

784.101.21 / RIR10131)
Wireless audio applications

RIR1013-20
Wireless audio applications
477 - 694 MHz
Max. 5 W e.r.p.
Edition 5.0 / 01.04.2019

Nr Parameter2)DescriptionComments
1Radiocommunication service--
2ApplicationWireless audio/multimediaIntended for one-way wireless audio links.
3Frequency bandA: 477 - 478 MHz
B: 485 - 486 MHz
C: 493 - 494 MHz
D: 501 - 502 MHz
E: 509 - 510 MHz
F: 517 - 518 MHz
G: 525 - 526 MHz
H: 533 - 534 MHz
I: 541 - 542 MHz
J: 549 - 550 MHz
K: 557 - 558 MHz
L: 565 - 566 MHz
M: 573 - 574 MHz
N: 581 - 582 MHz
O: 589 - 590 MHz
P: 597 - 598 MHz
Q: 605 - 606 MHz
R: 621 - 622 MHz
S: 629 - 630 MHz
T: 637 - 638 MHz
U: 645 - 646 MHz
V: 653 - 654 MHz
W: 661 - 662 MHz
X: 669 - 670 MHz
Y: 677 - 678 MHz
Z: 685 - 686 MHz
AA: 693 - 694 MHz
This frequency band is allocated to Digital Terrestrial Television and other secondary services.
These services have priority and therefore geographical restrictions exist to radio microphones.
4Channellingup to 200 kHz-
5Modulation / Occupied bandwidth- / up to 200 kHz-
6Direction / Separation--
7Transmit power / Power densityMax. 5 W e.r.p.-
8Channel access and occupation rules--
9Authorisation regimeSwitzerland: License required.
Liechtenstein: Individual assignment required.
Operation on NIB / NPB (Non interference basis / non protection basis).
Switzerland: License exempt for equipment with transmit power up to max. 250 mW e.r.p..
Liechtenstein: General authorisation for equipment with transmit power up to max. 250 mW e.r.p..
Sytems shall not be operated in the frequency band 608 - 614 MHz in an area within a radius of 10 km from the radio astronomy station in CH-5722 Bleien (WSG 84: Lon 8.11154733 / Lat 47.33984652; Swiss Grid: E 650855 / N 243440).
10Additional essential requirements--
11Frequency planning assumptionsEN 300 454-1-
12Planned changes--
13ReferenceEN 300 454-2 /-/-.Effective use of spectrum / ECC Decisions / ECC Recommendations.
14Notification number2019/9501/CH
G/TBT/N/CHE/233
-
15RemarksEN 301 489-3For more information please go to
https://www.bakom.admin.ch/bakom/de/home/geraete-anlagen/besondere-geraete/drahtlose-mikrofone.html

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