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R311B-Wireless Light Sensor

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

  • Sensor
  • Waterproof
  • Class
  • Frequency band
  • Power type
  • Sleep Power consumption
  • Rx Sensitivity
  • TX Power
  • Chipset
  • Cable length

SG$ 94.72

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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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Netvox

Netvox pioneers in the development and manufacture of Wireless Sensor Network applications based on LoRaWAN and Zigbee Pro Home Automation profile open standard.  Since 2005, we have developed over 200 LoRaWAN devices and 250 Zigbee devices that are based on worldwide standards to work with existing systems.

There are more than 70 items in our LoRaWAN magnetic-mounted R718 series that comes with an IP 65/67 housing, and most of them are battery powered with long battery life.  For example, the battery life of our Temperature and Humidity Sensor for Low Temperature Environment R718A is more than 5 years based on 25℃, 15-minute report interval, 20dBm Tx power and SF=10.


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Overview

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


    Features

    • LoRaWAN Class A compatible

    •  Frequency Hopping Spread Spectrum (FHSS)

    •  Improved interference immunity

    •  Improved power management for longer battery life

    •  Battery Life*2:

    • Please refer to web: http://www.netvox.com.tw/electric/electric_calc.html

    • At this website, users can find battery life time for varier models at different configurations

    •  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

              Specifications for R311B-Wireless Light Sensor

              Frequency band AS923 or AU915 or CN470 or KR920 or US915
              Sensor Light Sensor
              Waterproof IP30
              Class Class A
              Power type 2 x CR2450
              Sleep Power consumption 22uA
              Rx Sensitivity -136dBm
              TX Power 16dBm
              Chipset SX1276
              Cable length NA
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              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


              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℃

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