Description
Technical Specifications
| Application | IOT wireless data transmission |
| Model Number | E78-DTU (900LN22) |
| Chipset | 6601 |
| Type | DTU |
| Supplier Type | OBM or OEM or ODM |
| Test distance | 118110 in (3 km) |
| Communication interface | RS232 or RS485 |
| Voltage range | 8 V to 28 V DC |
| Transmit power | 0.16W |
| Operating temperature | -40 °F to 185 °F (-40 °C to 85 °C) |
| Working humidity | 10 % to 90 % |
| Size |  3.93701 x 3.30709 x 0.984252 inch      (100x84x25 mm) |