Sku: RA02C-AS923

Availability: Many In Stock
Sku: RA02C-AS923

NETVOX Wireless Smoke Detector - RA02C is a wireless control alarm device for smart home and high reliability. It adopts wireless communication method conforming to the LoRaWAN protocol standard.

RA02C is a device for the detection of harmful gases in the home environment. It is suitable for the detection of CO (carbon monoxide). When the concentration exceeds the preset value, it will trigger the alarm and fully comply with the LoRaWAN protocol standard.


Example Applications

  • Carbon Monoxide Detection
  • Carbon Monoxide alarm products for families, apartments, schools, hotels, etc  

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 18uA @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:106mm H:36mm

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

RA02C - Netvox LoRaWan Wireless CO Detector

Sku: RA02C-AS923

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