Simple wired apartment intercom door phone with gate unlock

DC LINE, CARRIER WAVE WIRED INTERCOM SYSTEMS. HOTLINE, MULTI LINE :
 Communication signals between the units are passing through a wire (only single low gauge wire required). Since we are using a wire for exchanging datas between the units, it will provide digital clarity conversation and also up to 100km of transmission rage over the single wire.. And in our DC model, same DC supply line using as data line with FM technology. Deferent models available as our wireless intercom systems.
 Installation of single wire model: Install a single wire between the locations where the intercoms to be placed. Then, place the intercom at its locations and connect the signal wires into the intercom, Insert the AC power cord in to the 90~250-volt AC outlets. Now the system is ready for communication. You can use this model where ever wireless not possible
 Features:
  One or two core wire Operation   DC model Works on 9V DC to 24V DC FM technology Different channel and Different security code   Full duplex communication  Original ring back tone Loud and pleasant telephone type ringing     Both party ring cut off system Light weight hand set    No mechanical switch (hook switch)     Simple operation   Easy Installation Wall - mountable
 Features: Water proof touch key button Aluminum front panel Expandable up to 1000 House phone phone Working 90~250V AC or DC  Ding Dong calling bell FM technology Different channel and Different security code    Both way communication      Light weight hand set    No mechanical switch (hook switch)     Simple operation   Easy Installation Wall - mountable  Price for Gate unit (Outdoor) Rs 2500.00, US$64.00. For each house phone (Indoor) Rs1030.00, US$26.00
 Ideal for : Multistory Building, Apartments, Multistory house, Lodges,  Hospitals, Villas, Factories, etc.

Wired Apartment Door Phone systems up to 1000 stations N62DP : You can communicate between the Gate and home with a single core simple wiring. The main attraction of the multi Channel door phone system is that, you can use up to 1000 number of flats/houses or villas with one gate doorphone. You can dial 1/2/3 digits number from the Gate/Door  unit and can communicate. For to make a call from the houses to the door station, just lift the handset of the house/indoor phone. As the house phone have no inter-dialing facility, it is not possible to communicate between the house. You can also open the main door/gate from each flats by pressing the button on the house phone (if equipped)

Communication signals between the units are passing through a wire.only single low gauge wire required Range up to 100KM