LoRaWAN® Gas Detector

Makes a Safer Place For All

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  • Event Trigger
  • Built-in Self-Test Function
  • Ultra Safe Gas Alarm Threshold
  • 800 Records Historical Data Storing Capacity
  • Up to 5-Year-Long Life Expectancy
  • LoRaWAN® Based

Safety - A Tool for Life

Accidental gas leaks pose a threat to people's life and properties. Residents need to be alerted as soon as possible once the gas leaks. Milesight GS101 is a LoRaWAN® residential gas detector that allows you to detect methane (CH4) leakage in houses, apartments, hotels, etc., and avoids potential damage before danger occurs

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Detect the Hidden Danger

Ultra Safe Gas Alarm Threshold

LoRaWAN® gas detector features a gas alarm threshold as low as 8% Lower Explosive Limit (LEL) that quickly alerts residents to an emergency.

Triple Safety

  • LED Alarm Indicator for Various Status

    LoRaWAN® gas sensor has four status LED alarm indicators corresponding respectively to the powered, faulty, alarmed, and invalid status.

  • Alarm by a Buzzer

    LoRaWAN® gas sensor detects methane (CH4) leakage and alerts you of danger in a buzzer with an 85dB alarm warning sound.

  • Report Remotely via LoRaWAN®

    LoRaWAN® gas sensor is able to send notifications to alert you remotely once detects gas leakage.

Puts Indoor Safety
into Focus

Event Trigger

LoRaWAN® gas sensor is equipped with relay output and solenoid valve output to control external appliances locally such as gas valves and vent fans, reducing potential safe accidents.

*The fan and valve can be controlled simultaneously.

Stay Reliable, Stay Considerate

  • Built-In Self-Test Function

    The self-test function ensures the normal status of the device, it enhances the safety to a new level.

  • Mute the Alarm as Needed

    The buzzer alarm can be manually turned off, which can help improve residents' home comfort.

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800 Records Historical Data Storing Capacity

Data can be stored in the device and cannot be manually deleted, further ensuring traceability of report information.

Aesthetic Design

Simple and aesthetically in harmony with any interiors.

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LoRaWAN® Based

  • Penetrating Signals: data transmission range up to 2 km in urban areas and
    15 km in rural areas
  • High Compatibility: compliant with standard LoRaWAN® gateways and network servers

Cloud Data Management
Milesight IoT Cloud

  • Data Visualization Dashboard:
    All figures in a glance
  • Automatic Triggers:
    Interactive collaboration with Milesight IoT sensors
    to realize scene-based automation
  • Regular Reports & Real-Time Alerts:
    Data-based insights
  • Android & iOS App:
    Manage devices at your fingertips

Easy Configuration

Switching on/off and configuring the device via NFC technology from mobile phone or PC

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1st Step

Install the Milesight ToolBox.

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2nd Step

Enable NFC and run ToolBox
Attach your phone to the device.

gs101 configuration 3

3rd Step

Verify the password and
start configuring.

Explore More About NFC Configuration >>


Installation Steps

Recommended Installation Locations


Wireless Transmission
Tx Power16 dBm (868 MHz)/22 dBm (915 MHz)/19 dBm (470 MHz)
Sensitivity-137dBm @300bps
ModeOTAA/ABP Class C
Measurement and Alarms
Detecting GasMethane (CH4)
Detection PrincipleSemiconductor Sensor
Warm-up TimeAbout 180s
Alarm Level8% LEL
Alarm TypeSound, Light
Alarm Volume85 dBA @1 Meter
Working Life5 Years (In Clear Air)
Output Signal1 × Relay Output: normally open, max 250 VAC/10A,
1 × Solenoid Valve Output: 12V, 100ms Pulse Output
Button1 × Test/Mute/Reset/Reboot Button
LED Indicators1 × Power (Green), 1 × Fault (Yellow), 1 × Alarm (Red), 1 × Invalid (Yellow)
ConfigurationMobile App via NFC
Historical Records StorageAlarm Records, Alarm Dismissed Records, Device Fault Records,
Device Fault Recovered Records, Device Power On Records,
Device Power Off Records, Device Invalid Records
Physical Characteristics
Power ConnectorDC Jack Connector
Power Supply12VDC, 1A
Operating Temperature-10°C to +55°C
Relative Humidity0% to 95% (non-condensing)
Ingress ProtectionIP30
Dimension120 × 85 × 32.5 mm (4.72 × 3.35 × 1.28 in)
Material & ColorPC+ABS (Flame Retardant), White
InstallationWall Mounting


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