Adtran ADP-40 Analog Door Phone
The ADTRAN ADP-40 is a weather resistant analog speakerphone primarily used for entry applications such as door or gate communication, business delivery entrances, and residential, commercial, or industrial door security. The ADP-40 complements the NetVanta 7000 line by providing a rugged communication endpoint to any entry way. Once a person's identity is announced through the door phone, a phone user enters a special code which allows the door to open.
This is a special order item. All sales are final.