R311G – Wireless LoRaWAN Light Sensor
R311G built-in photosensitive sensor, can be used for external ambient light intensity detection.
R311G – Wireless Light Sensor 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.
Features
•LoRaWAN™ Class A compatible
•2*3.0V CR2450 button battery power supply
•illuminance detection
•Apply SX1276 wireless communication module
•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
Specifications
R311G – Wireless LoRaWAN Light Sensor
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；
AS923 16dbm；
AU915 20dbm；
CN470 19.15dbm；
EU868 16dbm；
KR920 14dbm；
IN865 20dbm；
Receiving Sensitivity:
-136dBm（LoRa，Spreading Factor=12，Bit Rate=293bps )；
-121dBm (FSK,Frequency deviation=5kHz, Bit Rate=1.2kbps)
Antenna Type: Built-in antenna
Communication Distance: Up to 10 km (visible linear obstacle-free transmission distance , actual transmission distance depends on the environment )
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, IN865-867,CN470-510 (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
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