Sku: RA02A-AS923

Availability: Many In Stock
Sku: RA02A-AS923

NETVOX Wireless Smoke Detector - RA02Ais a smart home, high reliability wireless control alarmdevice that detects the concentration of smoke in the air and sends a
warning tone. It is a wireless communication method and complies
with the LoRa protocol standard.


Example Applications

  • Home
  • office,
  • school and hotel applications.


    Features of NETVOX Sensors

    • Wireless range of 10 km *
    • LoRaWANTM Class A compatible
    • Frequency Hopping Spread Spectrum (FHSS)
    • Improved interference immunity
    • Improved power management for longer battery life
    • Encrypt-RF™ Security (Diffie-Hellman Key Exchange + AES-128 CBC for sensor data messages)
    • Battery Life* :
    5 years (Conditions: ambient temperature 25 °C, 20 triggers/day, txpower = 20dBm, LoRa spreading factor SF = 10)
    • Over-the-air updates (future)
    • Third-Party online wireless sensor monitoring and notification system to configure sensors, view data and set alerts via SMS text and email (optional)
    • Available third-party platform: Actility/ThingPark, TTN, MyDevices/Cayenne
    • R718X series carry magnets which can be attached to ferromagnetic materials and objects
    *Actual range may vary depending on environment.
    *Battery life is determined by sensor reporting frequency and other variables


    Technical Specifications


    Input Power 2 x1.5V AAA alkaline batteries
    Operation voltage 3V
    Standby Current 12uA @3VDC
    Life time 3 years (25°C, heart beat: 60 mins , txpower=20dBm,
    LoRa SF=10)
    Working current while
    Alarming dBm 85dBm @3m
    Alarming concentration




    Tx Power 19dBm±1dBm
    Rx Sensitivity -136dBm (LoRa,Spreading Factor=12,Bit Rate=293bps ) -121dBm (FSK,Frequency deviation=5kHz, Bit Rate=1.2kbps)
    Antenna Type Build-in antenna
    Communication Range Build-in antenna
    Data Transfer Rate 0.3kbps~50kbps
    Spread Technique   LoRa/FSK
    Available Frequency   EU863-870,US902-928,AU915-928, KR920-923,AS923,CN470-510 Configured before shipment




    D:92mm H:50mm

    Operating Temperature

    -20℃ ~ 55℃

    Environment Humidity Range

    <90% RH (No condensation)

    Storage Temperature

    -40℃ ~ 85℃




    User manual:


    Battery Calculator: 

    Netvox Battery Calculator 

    Netvox LoRa Command Resolver: 

    LoRa Command Resolver

    RA02A - Netvox LoRaWan Wireless Smoke Detector (Photoelectric)

    Sku: RA02A-AS923

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