Sonoff G1: GPRS/GSM Remote Switch


Sonoff G1

GPRS/GSM Remote Power Smart Switch

  • Support SIM Card – GSM/GPRS:800/900/1800/1900MHz
  • Control with GPRS data – Communicate with Cloud over GPRS network, no WiFi needed
  • Remote ON/OFF – Turn electrical devices on/off from anywhere
  • App Support – Free iOS and Android mobile App eWeLink
  • Sync Status – Real-time device status provided to App
  • Timing – Set scheduled/countdown timers to turn on/off at specified time
  • Share Control – Control your smart home together with your family
  • Scene – Turn on/off a gang of devices with one tap
  • Smart Scene – Triggered on/off by temp, hum or other environmental conditions from sensor
  • Wide Applications – modern agriculture, pet feeding, server room control, roller shutter, etc.
  • Compatibility Works perfectly with Amazon Alexa, Google Home, IFTTT, Nest
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Sonoff G1 is a GSM smart power switch that allows users to remotely turn on/off any connected appliances via GPRS by eWeLink App available freely for Android and iOS.

Unlike other Sonoff products that have to connect to WiFi or LAN, G1 to be inserted with a SIM card (GSM/GPRS:800/900/1800/1900MHz) and use the 2G GPRS network to control connected appliances. The 3G and 4G card can also work on 2G network. 

Please make sure your area has covered with stable 2G network signal. 

Users can apply the wireless switch to modern agriculture like greenhouse light control, watering machine, oxygen pump. They can also apply the smart switch to pet feeding control, server room control, roller shutter, etc. 

With G1, users can turn on/off their appliances from the local button or from anywhere in the world. Besides, they can set up scheduled timers and countdown timers to automatically turn their appliances on/off at the specified time. The timers can run themselves even when network is unavailable. They can create scenes to trigger on/off a gang of devices with a single tap. Users can even share the devices to family, so that they can control together.

For outdoor uses it is recommended to match Sonoff G1 with Sonoff IP66, which is a high quality waterproof case. The waterproof level of the waterproof box is IP66. It allows you to remote control your lights or home appliances outdoor. It has many uses and can be even  used to control your Christmas tree lights. Read the detailed installation guide.

Data sheet

Power Supply
90V - 250V AC
Enclosure Material
Fire Retardant ABS
114 x 52 x 32 mm
Operating Temperature
0ºC - 40ºC
Operating Humidity
5% - 90%
SIM Card
GSM/ GPRS 800/900/1800/1900 MHz

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