The DSX 2PGDAD Module provides connection and relays for two DSX Analog Door Boxes. This module connects to an available port on a DSX Digital Station (16ESIU) PCB. Required for the DSX 80 and the DSX 160 when an outside door box is required. This is NOT required for the DSX 40 this feature is already built in
All Equipment is Brand New w/2 Year Factory Warranty