Milesight GS101 IoT Gas Sensor


The Milesight GS101 is a LoRaWAN® residential gas detector to detect the natural gas leak and send alarms.

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The Milesight GS101 IoT gas sensor is designed to monitor and detect Methane gas levels. Helping to ensure the safety of your indoor environments, the GS101 can promptly alert you when Methane is detected, making you aware of any anomalies or potentially hazardous conditions.

Equipped with a relay output and solenoid valve output, with this smart device you can configure an event trigger whereby you could locally control external appliances such as gas valves and vent fans, reducing the risk of an accident.

With an ultra-safe gas alarm threshold, the GS101 IoT gas sensor features a gas alarm threshold as low as 8% Lower Explosive Limit (LEL). With built-in indicators such as an alarm buzzer and LED lights, this device will quickly alert residents to an emergency.

deal for use in areas such as hotels, residential homes and student accommodation. The Milesight GS101 gas detector can be incorporated into your safety procedures, offering regular updates and digitalised records.

Outside of the above-mentioned areas, the GS101 IoT gas sensor can be used in many other spaces such as:

  • Waste management sites
  • Government buildings
  • Schools and Universities
  • Hospitals
  • Laboratories
  • Commercial spaces

Utilising LoRaWAN® technology, the Milesight GS101 IoT gas sensor transmits recorded data to a connected LoRaWAN® gateway. The data is then sent to the smartphone app and/or your chosen third-party platform for visualisation by a LoRaWAN® network server.


  • Built-in semiconductor gas detection sensor with up to 5-year-long life expectancy
  • High sensitivity gas leak detection and supports 8% LEL alarm threshold
  • Equipped with a buzzer and light indicators to indicate the device powered, faulty, alarmed and invalid status
  • Equipped with a test button to test the device’s normal or abnormal status
  • Equipped with relay outputs for external appliances such gas valves and vent fans, reducing potential accidents
  • Stores up to 800 historical records locally in 7 types
  • Easy configuration via NFC


Discounted Trade Pricing: Contact us for trade pricing, to place an order or to discuss your IoT projects.

For free, impartial advice on the best IoT Gas sensor for your appication, speak with a member of our team. We are always happy to help.

All of our products are available for delivery across Europe, with selected items available for same-day dispatch.

Our experts are on hand to help you every step of the way
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Additional information

Weight 300 g
Dimensions 120 × 85 × 33 mm



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