Clear-Com KB-702GM - Flush-Mount Dual-Channel Speaker Station for Encore SeriesThe KB 702GM remote speaker station permits the user to select between two channels of partyline communications, with the ability to talk and or listen on the selected channel, like the KB 702 but adds a gooseneck mic connector and VOX circuitry. Features: Gooseneck microphone connector with VOX circuitry Talk Listen from headset mic, telephone handset or push to talk microphone Four modes of operation that are internally programmable via dip switches