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R720A-Temperature and Humidity Sensor

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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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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.

  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℃