This door entry system with handset communication has built-in release contacts at the door.
Door release powered by door station without the need of an additional transformer
Service button to control an external device
Call tone volume control with mute indicator
Optional Call Extension Sounder
Designed for EL-12S door strike only
Backlit directory
Simple two-wire connection for intercom and door release ( Door strike wires directly to door station)
1, 2, or 4-call door stations for individual or multi-tenant applications
Vandal resistant door stations
Extra function button on tenant station can be used to activate light at entry ( Requires additional wiring)
Call extension sounder to hear call-in at remote location