R311G built-in photosensitive sensor, can be used for external ambient light intensity detection.R311G is the environmental illuminance automatic detector and the reporter which can send out the environmental illumination report and is a low-power, long range, wireless sensor that can accurately detect environmental illuminance indoor.
Electric:
|
Power Supply |
2 sections 3.0V CR2450 button batteries |
|
Operation Voltage |
DC 2.4V to 3.0V |
|
Standby Current |
12uA/3.0V |
|
Transmitting Current (max) |
120mA / 3.0V |
|
Receiving Current (max) |
11mA/ 3.0V |
|
Battery Measurement Accuracy |
± 0.1V |
|
Illuminance Detecting Range |
1～3000 lux |
|
Illumination Accuracy |
<15% |
Frequency:
|
Frequency Range |
863MHz-928MHz 470MHz-510MHz |
|
TX Power |
US915 20dbm； |
|
Receiving Sensitivity |
-136dBm（LoRa，Spreading Factor=12，Bit Rate=293bps )； |
|
Antenna Type |
Built-in antenna |
|
Communication Distance |
Up to 10 km |
|
Data Transfer Rate |
0.3kbps～50kbps |
|
Modulation |
LoRa/FSK (Note: You can choose one of them) |
|
Supportable LoRaWAN Band |
EU863-870,US902-928,AU915-928,KR920-923,AS923-1,AS923-2,AS923-3, (Note: The frequency band is optional and needs to be configured before shipment) |
Physical:
| Main Body Dimension | 57mm x 35mm x 15.2mm |
| Weight | 32.3g |
| Operating Temperature | -20℃ ~ 55℃ |
| Storage Temperature Range | -40°C ~ 85°C |
| Environment Humidity Range | <90%RH |
There are no reviews yet.