BTR-240 2.4GHz Wireless Intercom

The RTS BTR-240 is a digital, multi-channel, wireless intercom system
offering reliable and secure, full-duplex communications supporting up
to eight (8) wireless TR-240 beltpacks and an almost unlimited number
or half-duplex beltpacks. Operating in the 2.4GHz frequency band, the
BTR-240 system uses...