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R311LA-Wireless Infrared Proximity Sensor

   

R311LA is able to detect the existence of the object nearby. It has an infrared proximity sensor that can detect if there is object existing within it detection range and transmits the detected data to Gateway for display via a wireless network; it uses the SX1276 wireless communication module.

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R311LA is able to detect the existence of the object nearby. It has an infrared proximity sensor that can detect if there is object existing within it detection range and transmits the detected data to Gateway for display via a wireless network; it uses the SX1276 wireless communication module.

  • Applying SX1276 wireless communication module       
  • 2 sections of 3.0V CR2450 coin cell batteries in parallel       
  • Infrared proximity sensor       
  • Compatible with LoRaWANTM Class A       
  • Using frequency hopping spread spectrum technology       
  • Configure parameters through third-party platform
  • Read data and set alarms via SMS text and email (optional)       
  • Applicable to third-party platforms: Actility / ThingPark, TTN, MyDevices /  

      Cayenne       

  1. The product has low power consumption and supports longer battery life       

Note:
The battery life is determined by the frequency reported by the sensor and other variables, please refer to http://www.netvox.com.tw/electric/electric_calc.html .
On this website, users can find various types of batteries with different configurations.

Electric:

Input power supply

2 sections of 3V CR2450 coin cell batteries in parallel
(single CR2450 battery capacity 620 mAh)

Working voltage range

DC +2.4 V to 3.0V

Sleeping current

12uA / 3.0V

Emission current (max)

120mA / 3.0V

Receive current (max)

11mA / 3.0V

Battery measurement accuracy

± 0.1V

* Specific electrical characteristics will vary depending on the power supply voltage


Frequency:

Frequency range

863MHz-928MHz 470MHz-510MHz

Power output

US915   20dbm；
AS923   16dbm；
AU915   20dbm；
CN470   19.15dbm；
EU868   16dbm；
KR920   14dbm；
IN865    20dbm；

Receive 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, the actual transmission distance depends on the environment.

Data transfer rate

0.3kbps～50k bps

Modulation system mode

LoRa / FSK (Note: you can choose one of them)

Supported LoRaWAN Band

EU863-870, US902-928, AU915-928, KR920-923, AS923, CN470-510
(Note: Band optional, to be done in the factory configuration before shipment.)


Physical:

Size

57 mm x 35 mm x 15.2 mm

Weight

48.9g

Operating temperature

-20°C ～ 55°C

Ambient humidity range

<90% RH (no condense)

Storage temperature range

-40℃ ～ 85℃