Description
This product is an intercom add-on for the Doorbell Fon DP-28C controller. It allows users to ring the telephones in the home from any other telephone within the home to serve as a local intercom.
Doorbell Fon DP-28IM Intercom Add On Module The Doorbell Fon DP28IM Intercom Module works in conjunction with the DP28C Doorbell Fon Intercom Controller to allow users to ring the telephones in the home from any other telephone within the home to serve as a local intercom. Doorbell Fon installs using a single pair of wires for power, signalling, control and voice.
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