Wireless Activity Detection Sensor

Wireless Activity Detection Sensor

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SKU:
R311FA
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Vendor:

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.

Documentation

Data Sheet User Manual

Highlighted Features

  • 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, power = 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 platforms: Actility/ThingPark, TTN, MyDevices/Cayenne

    *1. The actual range may vary depending on the environment.

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

Specification

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℃