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R311DB-Wireless Vibration Sensor, Spring Type

   

When the vibration sensor moves or vibrates, the R311DB can detect vibrations or moving signals and transmit the detected data to other devices through the wireless network.

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When the vibration sensor moves or vibrates, the R311DB can detect vibrations or moving signals and transmit the detected data to other devices through the wireless network.

• LoRaWAN™ Class A compatible
• 2*3.0V CR2450 button battery power supply
• Spring type vibration 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

11uA/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

Weight

45g
Environment Temperature Range

-20℃ to 55℃
Storage Temperature Range

-40℃ to 85℃

Environment Humidity Range

<90%RH (No condensation)