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R311FA - Wireless Activity Detection Sensor

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It can detect the sudden movement or vibration of the device and send an alarm signal to the gateway for processing. It uses the SX1276 wireless communication module.
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It can detect the sudden movement or vibration of the device and send an alarm signal to the gateway for processing. It uses the SX1276 wireless communication module.

• Wireless range of 10 km *1
• 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:
⁻ 5 years

 (Conditions: ambient temperature 25 °C, 20 triggers/day, txpower = 20dBm,

  LoRa spreading factor SF = 10)

• 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

*1. Actual range may vary depending on environment.

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

Electric

Input Power

2pcs 3.0V CR2450 button battery

Working Voltage

DC 2.4V~3.0V

Standby Current

40uA /3.0V

Transmitting Current (max)

120mA / 3.0V                     

Receiving Current (max)

11mA / 3.0V            

Battery Voltage Measurement Accuracy

±0.1V


Frequency

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

10 km (line-of-sight, 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

Main Body Dimension

57mm x 35mm x 14mm

Weight

48.9 g

Operating Temperature

-20℃ ~ 55℃

Environment Humidity Range

<90% RH  (No condensation)

Storage Temperature

-40℃ ~ 85℃

 

INPUT
Model


R311FA

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