IoT Smart Wireless Light Sensor
This is IoT LoRAWAN technology Based Long Range Smart Sensor Devices
R311B is a Wireless Light Sensor based on the LoRaWAN open protocol (Class A).
When the illuminance exceeds the set threshold, a report will be sent immediately.
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- LoRaWAN Class A compatible
- Frequency Hopping Spread Spectrum (FHSS)
- Improved interference immunity
- Improved power management for longer battery life
- Battery Life*2:
- Over-the-air updates (future)
- Third-Party online wireless sensor monitoring and notification system to configure sensors, view data and set alerts via SMS text and email (optional)
- Available third-party platform: Actility/ThingPark, TTN, MyDevices/Cayenne
*1. Actual range may vary depending on environment.
*2. Battery life is determined by sensor reporting frequency and other variables
Electric:
| Input Power | 2pcs 3.0V CR2450 button battery (Single CR2450 battery capacity 620mah) |
| Working Voltage | DC 2.4V～3V |
| Standby Current | 12uA/3.0V |
| Transmitting Current (max) | 120mA/3.0V |
| Receiving Current (max) | 11mA @3.0V |
| Low Voltage Threshold | 2.4V |
| Battery Voltage Measurement Accuracy | ±0.1V |
| Detecting Illumination Range | 1～3000LUX |
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Frequency:
| TX Power | 19dBm±1dBm |
| Rx Sensitivity | -136dBm (LoRa，Spreading Factor=12，Bit Rate=293bps ) -121dBm (FSK,Frequency deviation=5kHz, Bit Rate=1.2kbps) |
| 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 |
| Spread Technique | LoRa/FSK |
| Available Frequency | EU863-870，US902-928，AU915-928， KR920-923，AS923，CN470-510 Configured before shipment |
Physical:
| Main Body Dimension | 57mm x 35mm x 15.2mm |
| Weight | 45g |
| Operating Temperature | -20℃ ～ 55℃ |
| Environment Humidity Range | <90% RH (No condensation) |
| Storage Temperature | -40℃ ～ 85℃ |
