Agni, Simplex Type Talkback Slave Station

Agni Slave Talk-back Unit Can Communicate With Main Talk-back Master Panel. At Slave Unit After Pressing Ptt Switch Signal Comes On Main Master Panel Control Room Can Receive Call By Pressing Ptt Switch At Master Panel, and By This Indication Also Know Which Floor/zone Number Or Location Slave Unit Is Calling To Master Station. This Is A Simples Mod Of Communication.

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