ESCO TSC-1005CA Intercom 5 Station W/Call & Alarm 941-0005 The TSC1005CA is a 5 channel 2-way intercom with an external switch activated doorbell type call-in feature. This intercom also features a switch activated broadcast siren type alarm. Speakers and call buttons wire to a terminal strip located on the bottom of the intercom. The TSC1005CA has an internally mounted microphone. It was designed to suit such applications as service stations, C-stores, truck stops, or fast food restaurants. The use of ESCO speakers and interconnect cable is recommended for the best voice quality reproduction. Price: $483.00