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    Home » LoRaWAN® Bathroom Odor Detector GS301

    LoRaWAN®
    Bathroom Odor 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

    * It is highly recommended that sensors operate below 35°C.

    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

    *When Milesight D2D is enabled, LoRaWAN® protocol can operate as usual.

    Smart Restroom Solution

    Good restroom experience always has a directly positive impact on occupants’ perception of a building. To make it right and easy, Milesight Smart Restroom Solution provides IoT insights into the status of cleanliness and hygiene.

    Get More Details

    Multi-Year Battery Operation

    GS301 has a battery life of up to 3 years

    * Sensor Life can be over 3 Years
    **4 x 4000 mAh ER18505 Li-SOCl2 Replaceable Batteries (10 min intervals)

    LoRaWAN® Based

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

    Milesight IoT Cloud

    • Monitoring ambience conditions at any time anywhere
    • Interactive collaboration with Milesight IoT sensors to realize scene-based automation
    • Android & iOS versions allow you to manage devices at your fingertips

    Easy Configuration

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

    1st Step
    Install the Milesight ToolBox
    (Android/iOS)

    2nd Step
    Enable NFC and run ToolBox,
    then attach your phone to the device

    3rd Step
    Verify the password and
    start configuring

    Flexible Installation

    Installation Steps

    Related Products

    GS101

    LoRaWAN® Gas Detector

    VS330

    Bathroom Occupancy Sensor

    DS7610

    IoT Display

    Specifications | Documents

    Wireless Transmission Protocol LoRaWAN® , Milesight D2D
    Frequency CN470/IN865/RU864/EU868/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
    Sensors
    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
    GS301 Datasheet

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      • 5G
        •  
          • UF51 5G CPE
          • UF31 5G Dongle
          • UR75 5G Industrial Cellular Router
          • 5G AIoT Camera
          • 5G AI Camera
        • Ultra-Fast and Futuristic
      • LoRaWAN
        • LoRaWAN Sensor
          • AM Series
            • AM103/AM103L Indoor Ambience Monitoring Sensor
            • AM104/AM107 Indoor Ambience Monitoring Sensor
            • AM307/AM308/AM319 Indoor Ambience Monitoring Sensor
          • GS Series
            • GS101 LoRaWAN Gas Detector
            • GS301 LoRaWAN Bathroom Odor Detector
          • EM300 Series
            • EM300-TH Temperature & Humidity Sensor
            • EM300-MCS Magnetic Contact Switch
            • EM300-SLD Spot Leak Detection Sensor
            • EM300-ZLD Zone Leak Detection Sensor
            • EM300-DI Pulse Counter
            • EM310-UDL Ultrasonic Distance/Level Sensor
            • EM310-TILT Tilt Sensor
            • EM320-TH Temperature and Humidity Sensor
          • EM500 Series
            • EM500-CO2 Carbon Dioxide Sensor
            • EM500-UDL Ultrasonic Distance/Level Sensor
            • EM500-SWL Submersible Water Level Sensor
            • EM500-PT100 PT100 Industrial Temperature Sensor
            • EM500-LGT Light Sensor
            • EM500-PP Pipe Pressure Sensor
            • EM500-SMTC Soil Moisture, Temperature & Electrical Conductivity Sensor
        • CoWork Series
          • Occupancy &
            People Counting
            • VS121 AI Workplace Occupancy Sensor
            • VS132 3D ToF People Counting Sensor
            • VS330 ToF & PIR Bathroom Occupancy Sensor
          • WS Series
            • WS101 Smart Button
            • WS156 & WS136 Smart Scene Panel
            • WS202 PIR & Light Sensor
            • WS301 Magnetic Contact Switch
            • WS302 Sound Level Sensor
            • WS50x LoRaWAN Wall Switch
            • WS523 Smart Portable Socket
            • WS558 Smart Light Controller
        • WTS Series
          • WTS50x IoT Weather Station
          • WTS305 IoT Weather Station
        • LoRaWAN Gateway
          • UG63 LoRaWAN Gateway
          • UG56 LoRaWAN Gateway
          • UG65 LoRaWAN Gateway
          • UG67 LoRaWAN Gateway
          • Hotspot Miner
        • IoT Controller
          • UC100 IoT Controller
          • UC300 IoT Controller
          • UC51x Series Solenoid Valve Controller
          • UC500 Series Controller
        • IoT Display
          • DS7610 LoRaWAN IoT Display
        • Starter Kit
          • iBox IAQ Kit
          • iBox CoWork Kit
          • iBox Smart Building Kit
          • LoRaWAN Agriculture Kit
          • iBox Kit Collections
      • Cellular
        • Industrial Router
          • Lite Series UR32L 4G Industrial Router
          • Pro Series UR3x 4G Industrial Router
          • Ultra Series 5G Industrial Router
        • IoT Controller
          • UC300 IoT Controller
        • Bring Smart Life to You!
      • Solutions
        • Verticals
          • Smart City
          • Smart Building
          • Smart Agriculture
          • Smart Office
          • Smart Restroom
        • Applications
          • Indoor Air Quality
          • Workplace Occupancy
          • People Counting
          • Energy Efficiency
          • EV Charging Station
      • Connectivity Suite
        • Software
          • Milesight IoT Cloud
          • DeviceHub
          • MilesightVPN
        • Hardware
          • PoE Switch
        • Turning Data Into Actionable Insights
      • Resources
        • Library
          • Blog
          • Blog
          • Success Stories
          • Newsletter Signup
          • Marketing Collateral
        • Support Portal
          • Help Center
          • Submit a Ticket
          • RMA Policy
        • Downloads
          • Documents
          • Software & Firmware
          • Release Note
        • Academy
          • Webinar
          • Video
        • Innovations
          • Milesight D2D
      • Company
        • Corporate Info
          • About Us
          • Our Brand
          • Contact Us
        • Event
          • News
          • Exhibitions
          • Events
        • Partner
          • Academic Discount
          • Partner Program
          • Ecosystem
        • Introducing Our New Brand Identity
      • Online Demo