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.
Documentation
Data Sheet User ManualHighlighted Features
- 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
Specifications
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； |
|
Rx sensitivity |
-121dBm |
|
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 |