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Model DP28BF Doorbell Fon Intercom System (Brass)

Model DP28BF Doorbell Fon Intercom System (Brass)

Quick Overview

The Doorbell Fon DP28BF integrated intercom converts your existing touch-tone telephones to door-answering intercoms. When a visitor presses the doorbell button a distinctive ring will be generated on each telephone. Simply pick up any handset, press the initiation code and begin speaking. While communicating with the visitor you can control an electronic door release to open the door/gate (optional door release controller available below).


Availability: In stock


Model DP28BF Doorbell Fon Intercom System (Brass)

The Doorbell Fon DP28BF surface-mount door intercom speaker connects to the Doorbell Fon master control box (black box shown in picture) using a 2-conductor (1 pair) phone wire. Any twisted pair wire from 16~28 gauge will work. For runs over 300 feet use a 16~20 gauge wire. This unit mounts in a 2 gang masonry box and is weather resistant.Bring Convenience, Security & Assistance to your home today with the DOORBELL FON™. This amazing product allows you to answer a door or gate from any telephone in your home or business. It installs using a single pair of wire for (power, control, signaling & voice). Add on components install on same single pair of wire. Operation is simple. No Programming! No Codes! Just pick up the telephone.

Product Literature:

Doorbell Fon DP-28BF Brass Intercom Kit:

  • • Answer the door from any phone
  • • Doorbell button rings phones
  • • Answer & Unlock up to 2 doors
  • • Simple to install
  • • Answer the door from work or cell

Pair with model DP28SW to be able to release an electric lock with you star button on any phone at location. If you wish to use your phones handsets as intercoms also add module model DP28IM.


Simple, when a visitor presses the button on the door box, the telephones will ring with a distinctive ring to let you know someone is at the door. Just simply pick up the telephone and you are automatically connected to that door. If you are on the telephone and a visitor comes to your door you will hear a distinctive call-waiting tone. Press the "flash" key or hook switch your telephone and the built in call-waiting on your DOORBELL FON™ will switch you to the door and place your outside call on hold. When you are finished talking to the door just press the "flash" key or hook switch and connect back to the outside call.



  • • ACNC Product No.: DP28BF
  • • UPC: 648181796017
  • • Dimensions: TBA
  • • Design: Trim line styling
  • • Power: 117V AC/6 Hz 0.1 amp, 12 watts
  • • Power Output: Talking: 17-28V DC; ringing: 75rms 25 +/- 2z
  • • Materials: Anodized aluminum plate, environmental-grade sensor button
  • • Mounting: Flush mount in a 2-gang masonry box
  • • Operating Temperature: -20° F to 120° F
  • • Relative Humidity: 90%
  • • Water Drop: 0.25mm
  • • Warranty: 1 year, limited
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