The YC-36 is a Dual-channel 2-wire Beltpack Adapter from Clear-com. This intercom cable is a 3-pin to 6-pin adapter that allows you to combine two single-channel 3-pin cables into a single 2-channel 6-pin connector. The YC-36 is designed for use with RS-702, RS-602 and RS-622 (2-channel beltpacks).Features3-pin to 6-pin adapterCombine two single-channel 3-pin cables into a single 2-channel 6-pin connectorFor use with RS-702, RS-602 and RS-622 (2-channel beltpacks) Clear-Com YC-36 Dual-Channel 2-wire Beltpack Adapter.