This SS91A-M GSM Door Phone is a new entrance GSM intercom (GSM access control,GSM door entry system) and an ideal product replacing the traditional entrance intercom. It allows you to speak with visitors standing at your company or house entrance by simply pressing the door button and you can open the door for them while talking with the visitors by operating your handset.
 
This SS91A-M GSM access control system gives you opportunity not only to know who is waiting in front of your company or house even while you are on holiday but also to control access. Use of our SS91A-M GSM Door Phone at your company or house does not require any special installation and wiring but only need to simply connect to the door latch and power supply for their operation since this GSM door intercom permits communication via GSM Networks.