Description
When a window or door is opened, R311A sends an alarm message to the control center. R311A utilizes the latest ultra-low power consumption technology and requires no wiring, just button batteries to support its operation. Wireless communication is based on LoRaWAN™ protocol (Class A).
Compatible With LoRaWAN™ Protocol
2 X CR2450 3V Button Batteries
Built-In Antenna
Simple Operation And Device Configuration
Reports Battery Voltage And Window/Door Status
Electric:
|
Input Power |
2 X 3.0V CR2450 Button Batteries |
|
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 |
|
Voltage Measurement Accuracy |
±0.1V |
