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R311A-Wireless Door/Window Sensor

   

R311A is equipped with a reed sensor, which can be used to detect the status of the door and window. Through the built-in wireless module, it can achieve wireless alarm and other functions. It uses the SX1276 wireless communication module.

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R311A is equipped with a reed sensor, which can be used to detect the status of the door and window. Through the built-in wireless module, it can achieve wireless alarm and other functions. It uses the SX1276 wireless communication module.

• LoRaWAN™ Class A compatible
• 2*3.0V CR2450 button battery power supply
• Reed sensor detection
• Apply SX1276 wireless communication module
• Frequency Hopping Spread Spectrum (FHSS)
• Configuration parameters can be configured through a third-party software platform
• Applicable to third-party platforms: Actility / ThingPark, TTN, MyDevices / Cayenne
• Low power consumption and long battery life Improved

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～50kbps
FSK: 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:
Main Body Dimension

57mm x 35mm x 15.2mm

Magnet Dimension

43mm x 13mm x 12mm

Weight

43.8g
Environment Temperature Range

-20℃ to 55℃
Storage Temperature Range

-40℃ to 85℃

Environment Humidity Range

<90%RH (No condensation)