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R311A-Wireless Door/Window Sensor

The R311CA device has a built-in reed switch sensor, and can be connected to a certain number of reed switches through external expansion. It can be used for door and window switch status detection.

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

SG$ 111.56

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The R311CA device has a built-in reed switch sensor, and can be connected to a certain number of reed switches through external expansion. It can be used for door and window switch status detection.


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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

The R311CA device has a built-in reed switch sensor, and can be connected to a certain number of reed switches through external expansion. It can be used for door and window switch status detection. It can realize wireless alarm and other functions through built-in wireless module, and is compatible with LoRaWAN Protocol. It can be easily networked with other related devices. The R311CA is durable and ensures optimum use and is a low power consumption device. Due to their small size, they can be installed anywhere, they are wireless, so they take up very little space.


    Features

    • LoRaWAN™ Class A compatible

    • 2*3.0V CR2450 button battery power supply

    • Reed sensor 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 for R311A-Wireless Door/Window Sensor

              Frequency band AS923 or AU915 or CN470 or KR920 or US915
              Sensor Magnetic
              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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              R311A is equipped with a reed sensor, which can be used to detect the status of the door and window. Through the built-in wireless module, it can achieve wireless alarm and other functions. It uses the SX1276 wireless communication module.
              Features

              LoRaWAN™ Class A compatible
              2*3.0V CR2450 button battery power supply
              Reed sensor 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
              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

              Low Voltage Threshold

              2.4V


              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

              LoRa: 0.3kbps~50kbps
              FSK: 1.2kbps~300kbps

              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

              Magnet Dimension

              43mm x 13mm x 12mm

              Weight

              43.8g

              Environment Temperature Range

              -20℃ to 55℃

              Storage Temperature Range

              -40℃ to 85℃

              Environment Humidity Range

              <90%RH (No condensation)