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Milesight GS301 LoRaWAN Bathroom Odor Gas Detector

  • $569.00
  • Save $100
  • (Exc. GST)

  • Available in stock

  • $ We Ship from our stock in AU (Perth) with pickup option, and Prices are Exc. GST
  • $ We Offer Quantity Discounts for Large Orders 10+ qty (Request for Quote)
  • $ We Accept Purchase Orders & Net 30 Payment for Eligible Accounts

  • Milesight GS301 LoRaWAN Bathroom Odor Gas Detector

    Less Nasty Air. More Attentive Care.

    • Detect NH3 & H2S with Higher Accuracy
    • Wireless Deployment with up to 3 Years Battery Life
    • Support LoRaWAN® & Milesight D2D Simultaneously
    • Built-in Buzzer & Traffic Light Indicator for Alarming


    Minimalist & Practical Design

    GS301 LoRaWAN® Bathroom Odor Detector is compact in size and easy to install and maintain. With damp-proof coating, the detector can work on various conditions of bathrooms.

    4-in-1 Sensors with High-Sensitivity

    Integrated with ammonia (NH3), hydrogen sulfide (H2S), temperature and humidity sensors.
    Detect ammonia (NH3) and hydrogen sulfide (H2S) gas according to electrochemical principle.

    • NH3: ±5% Accuracy
    • H2S: ±5% Accuracy

    Stay Informed of Foul Air

    When ammonia or hydrogen sulfide concentration reaches thresholds, the alarm will be activated, including traffic lights indicator, built-in buzzer and uplink data packets. *Thresholds can be customized

    Assistant to Ventilator for Clearer Air

    HVAC system is empowered to automatically adjust based on the detected concentrations of ammonia and hydrogen sulfide produced from the urinal and sewer pipe.

    Milesight D2D Featuring LoRa®

    Support Milesight D2D protocol to enable ultra-low latency and direct ventilation control without gateways.

    • Lower Latency
    • Less than 1 Second Response Time
    • Secure Transmission
    • Reduce Investment Cost

    LoRaWAN® Based

    • Compatible with Standard LoRaWAN® Gateway
    • Penetrate Thick Wall
    • 2 km Communication Range in Urban Areas


    Wireless Transmission Protocol LoRaWAN® , Milesight D2D
    Frequency US915/AU915/KR920/AS923-1&2&3&4
    Tx Power 16 dBm (868 MHz)/19 dBm (470 MHz)/22 dBm (915 MHz)
    Sensitivity -137dBm
    Mode OTAA/ABP Class A
    Ammonia (NH3) Detection Principle Solid Polymer Electrochemical
    Range 0 ~ 10 ppm
    Accuracy ± 5% (-40 – 35°C)
    Long-term Stability < 1 % accuracy drift per month
    Resolution 0.01 ppm
    Hydrogen Sulfide (H2S) Detection Principle Solid Polymer Electrochemical
    Range 0 ~ 5 ppm
    Accuracy ± 5% (-40 – 35°C)
    Long-term Stability < 1 % accuracy drift per month
    Resolution 0.01 ppm
    Temperature Range -40 – 85°C
    Accuracy ± 0.2°C
    Resolution 0.01°C
    Humidity Range 0 – 100%RH
    Accuracy ± 2%
    Resolution 0.5%RH
    Others LED& Buzzer 1 × Status/Alarm Indicator + 1 × Buzzer
    Button 1 × Reset/Reboot Button
    Configuration Mobile App via NFC
    Advanced Feature Milesight D2D Controller
    Physical Characteristics Power Supply 4 x 4000 mAh ER18505 Li-SOCl2 Replaceable Batteries
    Sensor Life > 3 Years
    Battery Life Around 3 Years (10 min interval)
    Operating Temperature -40°C – 55°C
    Relative Humidity 0% – 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




    User Guide


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