Clear-Com TW-47 - Two-Way Radio Interface for Encore Series IntercomClear Com RTS 2 Way Radio Interface, connects Clear Com or RTS to any 2 way radio. Compatible with both Clear Com and RTS, TW 47 connects virtually any set of walkie talkies to anyone on the wired partyline intercom; simply use one walkie talkie as a basestation. The base station radio is keyed from the intercom call signal. Extensive RF and EMI isolation prevents interference from entering the intercom system. Separate transmit and receive level