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R720B-Wireless Temperature and Humidity Sensor with Activity Detection Sensor

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The R720B is a wireless communication device that detects ambient air temperature and humidity. The R720B also detects if it is being moved. The R720B can transmit the detected data to other devices via the wireless network, using the SX1276 wireless communication module.

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The R720B is a wireless communication device that detects ambient air temperature and humidity. The R720B also detects if it is being moved. The R720B can transmit the detected data to other devices via the wireless network, using the SX1276 wireless communication module.

  1. Apply SX1276 wireless communication module
  2.  2 ER14505 battery AA SIZE (3.6V / section) parallel power supply
  3.  Air temperature and humidity detection
  4.  Motion detection alarm
  5.  The base is attached with a magnet that can be attached to a ferrous object
  6.  Protection class IP65
  7.  Compatible with LoRaWAN Class A
  8.  Frequency hopping spread spectrum
  9.  Configuration parameters can be configured via a third-party software platform, data can be read and alerts can be set via SMS text and email (optional)
  10.  Applicable to third-party platforms: Actility/ThingPark, TTN, MyDevices/Cayenne
  11.  Low power consumption and long battery life
  12.  Note*: Battery life is determined by the sensor reporting frequency 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 in different configurations.

 
Electric:

Input Power

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

Battery Life

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

Sleeping Mode

80uA

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℃