All devices are mandatory to be registered via Bundesnetzagentur:
Wireless microphones
In-ear monitor transmitter
Walkie talkies/Radios (PMR)
Wireless intercom Systems
Telemetry transmitter
Video transmitter
SNG Uplink
Please note that PMSE-Audio (up to max. 50mW) must be applied also where there is no license obligation for this equipment group.
The obligation to register also applies to devices using Dect-Standard (e.g. Sennheiser AVX, Riedel Bolero).