R311A – Wireless Door/Window Sensor
$53.00
• LoRaWAN™ Class A compatible
• 2*3.0V CR2450 button battery power supply
• Reed sensor detection
• Low power consumption and long battery life Improved
*Netvox has a lead time of at least 35 days for backorders.
Out of stock
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.
• 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
R311A – Wireless Door/Window Sensor
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； |
|
Receiving Sensitivity |
-136dBm（LoRa，Spreading Factor=12，Bit Rate=293bps )； |
|
Antenna Type |
Built-in antenna |
|
Communication Distance |
Up to 10 km |
|
Data Transfer Rate |
LoRa: 0.3kbps～50kbps |
|
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, (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) |
