The KX-TDA0161 card allows you to connect up to 4 doorphone units KX-T7765 to your phone system the KX-TDA0161 is also a door release card and allows electronic door entry control (this will require door access equipment to work).
Features
Requires the KX-TDA0190 OPB3 option card to connect to the system
All information is provided for reference only. If you are unsure about any of the features listed, please check the manufacturer's official information.