KB-701 11/2/2017 RELATED NEWS BY PRODUCT ProductsArcadia Central Station SystemEncore IntegrationClear-Com Encore Analog Partyline SystemsSpeaker Stations RELATED NEWS BY MARKET ProductsArcadia Central Station SystemEncore IntegrationClear-Com Encore Analog Partyline SystemsSpeaker Stations Half-duplex, push-to-talk functionality Four modes of operation that are internally programmable Microprocessor controlled logic and switching Balanced local program input with separate level control Visual and audible call signaling Optional 4-wire daughter board for flexibility Wall or console mountable, or optional V-Box for portable or desktop use Built-in speaker