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R720A-Temperature and Humidity Sensor

The R720A is a wireless communication device that detects ambient air temperature and humidity. The R720A detects the temperature and humidity of the air and transmits the detected data to other devices via a wireless network using the SX1276 wireless communication module.

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

SG$ 207.79

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The R720A is a wireless communication device that detects ambient air temperature and humidity. The R720A detects the temperature and humidity of the air and transmits the detected data to other devices via a wireless network using the SX1276 wireless communication module.

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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

It can detect the movement or vibration of the device, send a signal to the gateway for processing, and externally connect one NTC thermistor to detect the surface temperature of the measured object. It uses the SX1276 wireless communication module.


    Features

    • LoRaWAN™ Class A compatible

    • Frequency Hopping Spread Spectrum (FHSS)

    • Improved interference immunity

    • Improved power management for longer battery life

    • Encrypt-RF™ Security (Diffie-Hellman Key Exchange + AES-128 CBC for sensor data messages)

    • 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

    • R718X  series carry magnets which can be attached to ferromagnetic materials and objects

    *1. Actual range may vary depending on environment.


    *2. Battery life is determined by sensor reporting frequency and other variables

              Specifications for R720A-Temperature and Humidity Sensor

              Frequency band AS923 or AU915 or CN470 or KR920 or US915
              Sensor Temperature/Humidity
              Waterproof IP68
              Class Class A
              Power type Battery
              Sleep Power consumption 22uA
              Rx Sensitivity -136dBm
              TX Power 16dBm
              Chipset SX1276
              Battery Capacity 2 x 3.6V ER14505 AA
              Cable length NA
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              The R720A is a wireless communication device that detects ambient air temperature and humidity. The R720A detects the temperature and humidity of the air and transmits the detected data to other devices via a wireless network using the SX1276 wireless communication module.
              Features:

              1. LoRaWAN Class A compatible
              2.  Frequency Hopping Spread Spectrum (FHSS)
              3.  Improved interference immunity
              4.  Improved power management for longer battery life
              5.  Battery Life*2:
                1. Please refer to web: http://www.netvox.com.tw/electric/electric_calc.html
                2. At this website, users can find battery life time for varier models at different configuration
              6.  Third-Party online wireless sensor monitoring and notification system to configure sensors, view data and set alerts via SMS text and email (optional)
              7.  Available third-party platform: Actility/ThingPark, TTN, MyDevices/Cayenne
              8.  R718X series carry magnets which can be attached to ferromagnetic materials and objects
              9.  Apply SX1276 wireless communication module
              10.  2 ER14505 battery AA SIZE (3.6V / section) parallel power supply
              11.  Protection class IP65

              *1. Actual range may vary depending on environment.
              *2. Battery life is determined by sensor reporting frequency and other variables.

              Electric:

              Input Power

              2 x 3.6V ER14505 AA lithium batteries
              (3.6V 2400mah/section）

              Battery Life

               5 years
              (Conditions: ambient temperature 25 °C, 15 min heartbeats, txpower = 20dBm, LoRa spreading factor SF = 10)

              Sleeping Mode

              24uA

              Wake up Mode

              6.3mA@3.3V

              Low Voltage Threshold

              3.2V

              Transmitting current (max)

              120mA@3.3V                     

              Receiving current (max)

              11mA @3.3V            


              Frequency:

              Frequency Range

                863MHz-928MHz, 470MHz-510MHz

              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 10km, 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:

              Dimension

              Main Body: L:88mm*W:65mm*H:19mm

              Weight

              113g

              Environment Temperature Range

              -40℃ ～ 55℃

              Environment Humidity Range

              <90% RH  (No condensation)

              Storage Temperature

              -40℃ ～ 85℃

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