Clear-Com Freespeak II wireless intercom

Range: 1.897-1.933GHz (DECT)
Max. capacity per base: 20 beltpacks
Max. capacity per system: 50 beltpacks
Channels: 2
Max. range base/beltpacks: 450m
Max. range base/antenna: 500m
Headset connector.: XLR-4 M
Audio memory: 15″
Beltpacks: Up to 20 full-duplex
Compatibility: RTS, Telex, etc.
Protection: IP 65
Power: Internal battery or 6h with 3xAAA
Autonomy: 18h
Dimensions: 130x45x97 mm
Weight: 400gr
Transport dimensions: 50x40x35cm (35kg)