Very good design Switch type output GSM controller.
Each channel output power maximum at 2000W.
Support Customized SMS command for each relay output ON , OFF and Timer control
GSM controller board inside the box
The GSM-RELAY is a wireless gsm SMS controller that connects to the GSM cell phone network. It has seven independent relay switches, and the NO.1 Relay switch is activated by calling its cell phone number, it will reject the call without answering and switch on the device connected to it,then there are no call costs incurred when dialling the unit, it will recognise an authorised telephone number calling it and reject the call without answering. It has other 6 independent relay switches which can be switched on or off by sending the GSM-RELAY an SMS text command message.
Real-time & interactive controller
7 channels 250V 10A 50 Hz relay contacts
Works with GSM phones
Operating temperature (-25 .. +60 °C)
Relays operates almost every appliance
Small standby power (< 10mA 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 9~12V AC /DC.
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.
GSM-RELAY SMS control board:
PC software for gsm-relay programming:
GSM-RELAY Android and IOS app:
(Go to android Google play store or Apple app store to search "GSM RELAY ",then you can install the GSM-REAY app, it can be used to manage waferstar GSM-RELAY, GSM-CTL,GSM-TOG and GSM-AIR app)