E90-DTU(2G4L27) RS232/485 lora wirelss modem military-grade LoRa modulation technology
[Frequency]：2400~2500MHz
[Power]：27dBm
[Distance]：7km
[Size]：82*62*25mm
[Interface]：RS232/RS485
[Weight]：130±5g
[Introduction]：E90-DTU (2G4L27) is a data transceiver with military-grade LoRa modulation technology.The shell adopts three-proof coating, which is Anti-Fungal, Anti-Humidity, and Anti-Salt Spray. With multiple transmission modes, it works in the frequency band (default 2424MHz). The transceiver provides transparent RS232/RS485 interface and supports 8～28V voltage input.
| RF parameters | Parameter Value | Remark |
| Working frequency band | 2400~2500MHz | - |
| Transmit power | 27dBm | About 0.5W |
| Reference distance | 7km | - |
| Hardware Parameters | Parameter Value | Remark |
| Size | 82 * 62 * 25mm | Without SMA |
| Antenna type | High School | - |
| Communication interface | RS232/RS485 | Standard DB9 socket/3.81 terminal block |
| Baud rate | Factory default 115200 | Baud rate range: 1200～115200 |
| Electrical parameters | Minimum | Typical Value | Maximum | unit | condition |
| Voltage range | 8 | - | 28 | v | It is recommended to use 12V or 24V |
| Operating temperature | -40 | - | +85 | ℃ | Meet the needs of industrial use |