EWD95M-900NW22(485)LoRa GFSK high-speed continuous transmission ChirpIoT automatic frequency hopping micro DTU anti-interference R485/RS232 communication
[Transmitting power]：22dBm
[Communication distance]：2.5km
[Product size]：102*28*28.5mm
[Product weight]：32±2g
[Introduction]：EWD95M-900NW22(485) is a wireless serial port LoRa MESH networking module based on LoRa spread spectrum technology, with a maximum output power of 22dBm, a maximum air rate of 62.5K, and a maximum supported baud rate of 460800bps.The shell adopts three-proof coating, which is Anti-Fungal, Anti-Humidity, and Anti-Salt Spray. The micro-rail DTU module has an operating frequency range of 850.125~929.125MHz (default 868.125MHz).
Official Store
| Serial number | name | Function | Remark |
| 1 | PWR | Power indicator | Blue, always on after power on |
| 2 | TXD | RF transmit indicator | Red, RF data sending indicator |
| 3 | RXD | RF receiving indicator | Yellow, RF data receiving indicator |
| 4 | UPD | Upgrade status indicator | Green, upgrade status indicator, always on after entering upgrade mode, and off after upgrade is completed |
| 5 | IAP | Upgrade mode button | When the power is on, press the button, the UPD light will turn on, and you can use the host computer to upgrade. After the upgrade is completed, it will automatically exit the upgrade mode. |
| 6 | A | RS485_A | RS485 Signal A |
| 7 | B | RS485_B | RS485 Signal B |
| 8 | - | GND | Negative pole of power supply |
| 9 | + | VCC | Power positive pole, supports DC 8~28V power supply |
| 10 | ON | RF Interface | SMA-K, external threaded inner hole. |