The DP38C Doorbell Fon Intercom Controller is the Heart of the Doorbell Fon Door intercom system and allows users to answer up to four doors or gates from any telephone in the home or business. Doorbell Fon installs using a single pair of wires for power, signalling, control and voice. Add on Door stations connect to same single pair of wires. Operation is simple !! No Codes, No Programming, Just pick up the telephone like a regular call with DoorBell Fon. Also available in Two Door Controller. Model DP28C.
Doorbell Fon is a registered trademark of ACNC