The device 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.
The device 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.
Electric
Input Power | 2pcs 3.0V CR2450 button battery (Single CR2450 battery capacity 620mah) |
Working Voltage | DC 2.4V~3V |
Standby Current | 12uA/3.0V |
Transmitting Current (max) | 120mA/3.0V |
Receiving Current (max) | 11mA @3.0V |
Low Voltage Threshold | 2.4V |
Battery Voltage Measurement Accuracy | ±0.1V |
Frequency
TX Power |
US915 20dbm; AS923 16dbm; AU915 20dbm; CN470 19.15dbm;
EU868 16dbm; KR920 14dbm; IN865 20dbm; |
Rx Sensitivity |
-136dBm
(LoRa,Spreading Factor=12,Bit Rate=293bps ) -121dBm (FSK,Frequency deviation=5kHz, Bit Rate=1.2kbps) |
Antenna Type | External antenna |
Communication Range | Up 10 km, 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,AS923-1,AS923-2,AS923-3,IN865-
867,CN470-510 Configured before shipment |
Main Body Dimension | 57mm x 38.05mm x 15.2mm |
Magnet Dimension | 42.5mm x 13mm x 12mm |
Weight | 43.8g |
Operating Temperature | -20℃ ~ 55℃ |
Environment Humidity Range | <90% RH (No condensation) |
Storage Temperature | -40℃ ~ 85℃ |