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RA02A-Wireless Smoke Detector

   

RA02A is a high reliability wireless control alarm device that detects the concentration of smoke in the air and sends a warning tone. It is a wireless communication method and complies with the LoRaWAN™ protocol standard.

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RA02A is a high reliability wireless control alarm device that detects the concentration of smoke in the air and sends a warning tone. It is a wireless communication method and complies with the LoRaWAN™ protocol standard.

•Apply SX1276 wireless communication module
•2x1.5V AAA alkaline batteries power supply
•LoRaWAN™ Class A compatible
•Frequency Hopping Spread Spectrum (FHSS)
•Configuration parameters can be configured through a third-party software platform
•Applicable to third-party platforms: Actility / ThingPark, TTN, MyDevices / Cayenne
•Low power consumption and long battery life Improved po

Electric:

Input power

2 x1.5V AAA alkaline batteries

Standby current

12uA/3VDC

Working current while alarming

580mA/3VDC

Alarming dBm

85dBm @3m

Alarming concentration

0.65～15.5% obs/m


Frequency:

TX power

US915 20dbm；
AS923 16dbm；
AU915 20dbm；
CN470 19.15dbm；
EU868 16dbm；
KR920 14dbm；
IN865 20dbm；

Rx sensitivity

-121dBm
(Frequency deviation=5kHz,Bit Rate=1.2kb/s)
-136dBm
(LoRa，Spreading Factor=12, Bit Rate=293bps) /p>

Antenna type

Build-in antenna

Communication range

Up to 10 km, the actual transmission distance depends on the environment

Data transfer rate

0.3kbps～50kbps

Modulation

LoRa/FSK

Supportable LoRaWAN Band

EU863-870, US902-928, AU915-928, KR920-923, AS923, CN470-510(Note: The frequency band is optional and needs to be configured before shipment)

Physical:
Dimension

D:106mm H:40.6mm

Operating Temperature Range

-20°C~55°C

Storage Temperature Range

-40°C~85°C

Storage Temperature Range

<90%RH