LoRaWAN® Gas Detector
Makes a Safer Place For All
GS101
- 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.


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.

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.
LoRaWAN® Based
- LoRaWAN® gas sensor is compatible with industry-standard LoRaWAN® gateways
- With a range of up to 15 km in rural areas and 2 km in urban areas
- Easy for massive deployments and management
Milesight IoT Cloud
Easy to Manage Any Time, Any place
Compatible with Milesight IoT Cloud to monitor and control the device status at your fingertips.
Easy Configuration
1st Step
Install the Milesight ToolBox
2nd Step
Enable NFC and run ToolBox, then attach your phone to the device
3rd Step
Verify the password and start configuring
Installation
Installation Steps
Recommended Installation Locations
Specifications | Documents
Wireless Transmission | Technology | LoRaWAN® |
Frequency | CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923-1&2&3&4 | |
Tx Power | 16 dBm (868 MHz)/22 dBm (915 MHz)/19 dBm (470 MHz) | |
Sensitivity | -137dBm @300bps | |
Mode | OTAA/ABP Class C | |
Measurement and Alarms | Detecting Gas | Methane (CH4) |
Detection Principle | Semiconductor Sensor | |
Warm-up Time | About 180s | |
Alarm Level | 8% LEL | |
Alarm Type | Sound, Light | |
Alarm Volume | 85 dBA @1 Meter | |
Working Life | 5 Years (In Clear Air) | |
Others | Output Signal | 1 × Relay Output: normally open, max 250 VAC/10A, |
1 × Solenoid Valve Output: 12V, 100ms Pulse Output | ||
Button | 1 × Test/Mute/Reset/Reboot Button | |
LED Indicators | 1 × Power (Green), 1 × Fault (Yellow), 1 × Alarm (Red), 1 × Invalid (Yellow) | |
Configuration | Mobile App via NFC | |
Historical Records Storage | Alarm 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 Connector | DC Jack Connector |
Power Supply | 12VDC, 1A | |
Operating Temperature | -10°C to +55°C | |
Relative Humidity | 0% to 95% (non-condensing) | |
Ingress Protection | IP30 | |
Dimension | 120 × 85 × 32.5 mm (4.72 × 3.35 × 1.28 in) | |
Material & Color | PC+ABS (Flame Retardant), White | |
Installation | Wall Mounting |