R311A – Wireless Door/Window Sensor
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:
Details
R311A is equipped with a reed sensor, which can be...