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Wireless Building Intercom Access Door Opener GSM

 Open the door not only by keyboard ,but also but give a free call .

This product = intercom access + GSM door opener 
Use cellphone open the door ,no need install extension Building intercom in very house .
Save a lot of cost and trouble to intall extension intercom access device .
Save a lot  maintenance cost of each extension device .
With two relays,can control two doors .
 

Product Description

 

Intercom access Specification :

  • Quad-band 850/900/1800/1900Mhz;
  • FREE Charge. Open the Door By Auto-rejected Phone Calls By Authorized Numbers
  • High Quality Two-way Voice Communication, and optional audio ;
  • Every Family has a Admin Password and Authorize 5 Family Phone Numbers ;
  • Up to 200 families ,total 1000 authorized phone numbers,Special for Apartments and Residential buildings;
  • Affordable Rates with Top Quality. No More Wiring Installations and other Complex Accessories;
  • 2 Relay Outputs (NC/NO),Well compatible with Electronic Locks and DVR Camera;
  • 12VDC Power Supply, Relay Time Editable (1-300 seconds). Default“0s”, means not work
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