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  • R718E-Three-Axis Digital Accelerometer&NTC Thermistor

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R718E-Three-Axis Digital Accelerometer&NTC Thermistor

   

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.

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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.

• 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

Electric:

Input Power

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

Sleeping Mode

80uA

Wake up Mode

6.3mA@3.3V

Receiving Current (max)

11mA @3.3V            

Transmitting Current (max)

120mA/3.3V                     

Battery Voltage Measurement
Accuracy

±0.1V

Low Voltage Threshold

3.2V

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 to10 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:

Dimension

Main Part: L: 112mm*W: 88.19mm*H: 32mm

Weight

141g

Environment Temperature Range

-20℃ ～ 55℃

Environment Humidity Range

<90% RH  (No condensation)

Storage Temperature

-40℃ ～ 85℃