Est. Price

Specifications

Resources

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R311A – Wireless Door/Window Sensor

Est. Price

  • $53.00

Specifications

  • Electric:
  • Power Supply
  • 2 sections 3.0V CR2450 button batteries
  • Operation Voltage
  • DC 2.4V to 3.0V
  • Standby Current
  • 12uA/3.0V
  • Transmitting Current (max)
  • 120mA / 3.0V
  • Receiving Current (max)
  • 11mA/ 3.0V
  • Battery Measurement Accuracy
  • ± 0.1V
  • Low Voltage Threshold
  • 2.4V
  • Frequency:
  • Frequency Range
  • 863MHz-928MHz 470MHz-510MHz
  • TX Power
  • US915 20dbm;AS923 16dbm;AU915 20dbm;CN470 19.15dbm;EU868 16dbm;KR920 14dbm;IN865 20dbm;
  • Receiving Sensitivity
  • -136dBm(LoRa,Spreading Factor=12,Bit Rate=293bps );-121dBm (FSK,Frequency deviation=5kHz, Bit Rate=1.2kbps)
  • Antenna Type
  • Built-in antenna
  • Communication Distance
  • Up to 10 km(visible linear obstacle-free transmission distance , actual transmission distance depends on the environment )
  • Data Transfer Rate
  • LoRa: 0.3kbps~50kbpsFSK: 1.2kbps~300kbps
  • Modulation
  • LoRa/FSK (Note: You can choose one of them)
  • Supportable LoRaWAN Band
  • EU863-870,US902-928,AU915-928,KR920-923,AS923-1,AS923-2,AS923-3,IN865-867,CN470-510
  • (Note: The frequency band is optional and needs to be configured before shipment)
  • Physical:

Images

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Details

R311A is equipped with a reed sensor, which can be...