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	120mA/3.0V
Alarming dBm	85dBm @3m
Alarming concentration	0.65～15.5%FT

Frequency

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

Physical

Dimension	D:92mm H:50mm
Operating Temperature	-20℃ ～ 55℃
Environment Humidity Range	<90% RH (No condensation)
Storage Temperature	-40℃ ～ 85℃

SDatasheet:

RA02A.pdf

User manual:

RA02A_UG.pdf

Battery Calculator:

Netvox Battery Calculator

Netvox LoRa Command Resolver:

LoRa Command Resolver

RA02A - Netvox LoRaWan Wireless Smoke Detector (Photoelectric)