Connects to the bell and transfers the bump to the receiver device. It can connect to two different bells
Type of connection: acoustic
Dimensions (HxWxD): 145x50x40 mm
Power supply: 9 V battery or 9V / 1A PSU (1,8 m)
Transmission frequency: 868,35 Mhz
Scope of delivery: 1 m microphone cable, 9 V battery,
installation kit for wall mounting
Special accessories: A-2992-0: 9V / 1A PSU, A-2942-0: Stand for lisa RF units
(please order separately)