HB-702 11/2/2017 Category: Products, Arcadia Central Station System, Encore Integration, Clear-Com Encore Analog Partyline Systems, Headset Stations Momentary/Latching Talk switch with LED Microprocessor controlled logic and switching Visual call signaling Headset connector with volume control and sidetone adjust Optional 4-wire daughter board for flexibility Mountable into a standard US two-gang outlet box