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Contact Closure / Relay
Battery Backup
Cellular Dial-Out
Outdoor Rated
Relay Output Support
Water Resistant
# of Relays
4 Relays
Ease of Installation
Advanced (Installs > 60 minutes)
United Security
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Automatic Dialer Calls 8 Numbers for Help Even if the Power and Phone Lines are Out
United Security Products CVD-4050 Cellular Remote Responder/Dialer
United Security Products CVD-4050 Cellular Remote Responder/Dialer
United Security Products CVD-4050 Cellular Remote Responder/Dialer
Item# 79676
Price: Normally $2194.60 
Hot Deal $1291.72
Free shipping on orders over $175 - See Details


  • Uses cellular phone technology to call out
  • Works even during power and phone failures
  • Can use landline as primary and cellular as backup
  • Can verify status and control 4 relay circuits via phone call
  • Weatherproof fiberglass cabinet
  • Calls 8 numbers
  • Backup battery charger

Essential Info

Having a security system can really add to your peace of mind. But if the power goes out, or phone lines are down, how will you be notified of trouble at home? This auto-dialer can call up to 8 numbers to report trouble, and can use your land line as its primary communication with a cell service as backup, or you can program it to always use the cell service. Besides calling for help, it can also remotely arm or disarm alarm zones with phone commands, and will notify you of the status of, and can control, 4 relay circuits. All this connectivity is via a cell phone that you provide and link using Bluetooth. Add a 12V 7Ah battery as backup power in case your power goes out.


What's Included

  • 1x - CVD-4050 Cellular Remote Responder/Dialer
  • 1x - AC Adapter
  • 1x - Power Cord
  • 1x - Installation Instructions
  • 1x - User and Programming Manual
  • More Info

  • Remotely arms or disarms alarm zones with commands from your phone
  • Remotely control up to 4 circuits with commands from your phone to built-in relays.
  • Shunt out sensors and false alarms
  • AT&T and Verizon compatible; operates with most cellular providers worldwide
  • Bluetooth capability
  • Four separate voice dialer channels / zones
  • Program to use land line as primary / cell backup, or cell only
  • Automatically calls up to 8 phone numbers
  • Built-in line seizure
  • Weatherproof NEMA-rated fiberglass cabinet
  • EEPROM memory retains programming even during power failures

  • Important notes:
    Only defective exchanges for identical item within 30 days of purchase. No other returns allowed on this item. For defective returns after 30 days, please contact the manufacturer.
    Manufacturer contact information: United Security Products Inc / Emer Call, Tel: (858) 413-0149


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