Some frequencies licence free in the EU.
Details about radio microphone licencing requirements in the UK can be found on the Ofcom website.
Transmitting power not to exceed 50 mW
MZMTXS920
2 channel multifrequency radio microphone receiver - 823-832 MHz and 863-865 MHz. 482 mm (19") rack installation possible with supplied mounting brackets.
MZMTXS900
multifrequency radio microphone receiver - 2 licence-free frequency ranges (E band: 823-832 MHz and 863-865 MHz)
MZMTXS900HT
Handheld transmitter, Condenser microphone cartridge, cardioid characteristic - E band: 823-832 MHz and 863-865 MHz
MZMTXS900HSE
Pocket/Belt-pack Radio Microphone Transmitter E band: 823-832 MHz and 863-865 MHz
MZMTXS10BELT
Blue belt bag for wireless pocket transmitters, absolutely ideal for use by fitness instructors or other active users.
MZMTXS10BELTSW
Belt bag, black suitable for wireless pocket transmitters from MONACOR, IMG Stage Line and JTS