Public Facility Testing
March 6, 2025
Functions of KPM210 Wireless
- lora module Long transmission distance
Record Function
- Star type connection
- Support RS485 and RS232
- Communication:
- Modbus-RTU to Lora via RS485/RS232
| Model | Frequency |
| KPM210-L-P | 398-525MHz |
| KPM210-H-P | 803-930MHz |
| Classification | Parameter | Index |
|---|---|---|
| Wireless parameters | Working frequency | 398-930Mhz |
| Transmit power | 10dBm~20dBm | |
| Receiving sensitivity | -138.5dBm at 0.268Kbps | |
| Transmission distance | 3500m (test conditions: clear, open, 20dBm transmit power, antenna gain 5dBi, height greater than 2m, 0.268K airspeed) | |
| Antenna option | SMA antenna base (outer screw inner hole) | |
| Hardware parameters | Data interface | UART:RS232/485 |
| Baud rate:1200bps - 115200bps | ||
| Operating Voltage | 5 ~ 36V | |
| Working current | Transmit current 115mA at 5V | |
| Standby current 23mA at 5V | ||
| Operating temperature | -30℃ ~ +80℃ | |
| Storage temperature | -40℃ ~ +125℃ | |
| Working humidity | 5~95%RH (no condensation) | |
| Storage humidity | 1~95%RH (no condensation) |
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