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GSM-RELAY-4G GSM Remote Control System (SMS Relay Control box)

(New version 2016 4G relay controller, more features including: Log data, fast program and reset button on board, Support customized SMS controller for ON/OFF controller and pulse control each seperate relay channels)

Wafer GSM ,3G and 4G controller are totally the same design, only the working frequency is different. so some countries for example USA, australia, singapore,that GSM (2G) Net is closed ,so must select to order the 3G or 4G controller. these controller are using the same APP, same Programmer and the same PC software to program.

Rechargeable battery on board for power off alarm

Same quality, better functions and more features!

Working band for USA:

UMTS: B2/B4/B5
GSM: 850/1900MHz
FDD LTE: B2/B4/B5/B12/B17

Working band for Europe:

FDD LTE:B1/B3/B5/B7/B8/B20

Maximum authorized phone numbers: 200

Package including:

One pcs GSM-RELAY-4G 4G/3G/GSM controller box
One pcs 4G Magnet mount antenna (3 meter wire length)
One pcs Rechargeable battery for power off alarm
One pcs USB program adapter

For android app,please go to google Play Store to search "GSM RELAY"

For Iphone app,please go to Apple App Store to search "GSM RELAY"

you will find the APP Logo:

If cann't install from google play store, then just download directly:
GSM-RELAY APP Download directly: http://www.waferlife.com/downloads/gsm-relay-app.rar

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

Below is the connection description of the GSM-RELAY, that is the same as the GSM-RELAY-4G

The GSM-RELAY is a wireless gsm remote control switch that connects to the GSM cell phone network.
It has two 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 another independent relay switches which can be switched on or off by sending the GSM-RELAY an sms text message.

Specifications and new features from 2015 version (Marked with Red word):

  • Real-time & interactive control
  • 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 (< 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 12~24V AC /DC.

    ˇ Support free control mode or Security Authorized number control mode
    ˇ Quick & easy number programming with SMS or On Board Fast Teaching Button.
    ˇ Can disable the SMS reply back to save the cost
    ˇ Support Customized command for easy understand
    ˇ Support the optional Wifi-plug for remote parameters program
    ˇ Rechargeable battery on board for power off alarm
    ˇ Support device operation history LOG check

Wafer GSM-RELAY USB programmer


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.

Standard accessory: Program adapter with PC Software

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

Use GSM-RELAY Android New App, you can have more features of GSM-RELAY working

Also our GSM-RELAY can work with WiFi-Plug module and then you can use the APP to control the device through WiFi (Use your mobile phone connect to the WiFi module directly to control, cann't control through internet. So that is better work for short range wireless remote control)