NET RA02A Smoke Detector

RA02A is a smoke detection alarm. RA02A has a built-in photoelectric smoke detector and buzzer. It can detect the smoke density in the environment and sound alarm when the smoke density exceeds the default value. At the same time, the alarm data can be transmitted to other devices for display. RA02A adopts SX1276 wireless communication module.

Input power 2 x1.5V AAA alkaline batteries
Operating Voltage Range2.3V – 3.3V
Low Battery Voltage2.4V
Battery Lifetime4.7 years
(conditions: ambient temperature 25°C, report once every 60min,
TX power = 20dBm, LoRa spreading factor SF = 10)

Standby current12uA/3VDC
Working current while alarming580mA/3VDC
Alarming dBm 85dBm @3m
Alarming concentration 0.65 – 15.5% obs/m