Clear-Com EF-701M-BSTOCK
4-Wire Interface with Call Signal  BSTOCK

The EF-701M interface converts a single channel of standard or TW party-line intercom to four-wire audio, while also converting call signals to RS-422 data (and back). The resulting four-wire audio [...]

Clear-Com KB-702-BSTOCK
2-Ch Flush Mount Headset/Speaker Station BSTOCK

The Clear-Com KB-702 remote speaker station lets you select between two channels of party-line communications and have the ability to talk and/or listen on the selected channel. You can listen via [...]