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GSM-CTL-AC GSM Remote Control System ( SMS Relay Control box)

Maximum authorized phone numbers: 200

Package including:

One pcs GSM-CTL-AC GSM controller box
One pcs GSM Magnet mount antenna (3 meter wire length)
One pcs USB program adaper

The GSM-CTL-AC is a wireless gsm remote control switch that connects to the GSM cell phone network.
It has two independent relay switches, Both Relay switches can be configed to momentary or ratchet mode and activated by calling or Text SMS.

Order the samples directly from http://www.wafer-shopping.com

Our standard products is designed with QUAD GSM BAND and that is no problem for all the world market at 850/900/1800/1900MHz


  • Real-time & interactive control
  • 2 channels and one channel up to  240V / 30A 50 Hz relay contacts and another relay is at 240V /12A switching power.
  • Works  with GSM phones 
  • DIP switch to setup the relay working way
  • Operating temperature (-25 .. +60 °C) 
  • Relays operates almost every appliance 
  • Small standby power (< 20mA 12V) 
  • Relay memory after power failure
  • Optional password to keep the system at safety operating mode.
  • Remote Password change 
  • Two operating mode optional ( remote setting with GSM phones)
  • One relay is woking with the phone calling, and others working with the SMS
  • Commands can added to GSM-phone number for raeady made commands
  • Working voltage is at 100~230V AC.

Applications include the remote control of heating in holiday homes, lighting, engine pre-heaters, aviation engine heaters, irrigation systems, water well pumps, pumping stations, cabin heaters, resetting of remote servers, arming and disarming security systems, access control of gates and garage doors.

Wafer GSM-CTL USB programmer

GSM Magnet Mount Antenna ( Specially designed for Water proof type GSM remote control box)


GSM RS232 Program Software