E90-DTU(400SL22P) Ebyte wireless digital radio sx1268 5km long range lora gateway 433mhz RSSI LTB support remote configuration
[Frequency]：410.125～493.125MHz
[Power]：22dBm
[Distance]：5km
[Size]：108*75*37mm
[Interface]：RS232/RS485
[Weight]：238±5g
[Introduction]：E90-DTU(400SL22P) is a true high-quality industrial-grade wireless digital radio. The power supply supports 3-level protection, RS485 and RS232 support 4-level protection, and the RF port supports 4-level ESD protection. It can be used in industrial applications where the electromagnetic environment is more complicated.
| No. | Name | Function | Note | |
|---|---|---|---|---|
| 1 | RS-232 | RS-232 interface | Standard RS-232 interface | |
| 2 | RS485 A | RS485 interfaceA | RS485 interfaceA is connected to deviceA interface | |
| 3 | RS485 B | RS485 interfaceB | RS485 interface B is connected to device B interface | |
| 4 | DC-IN - | Crimping power input negative | Power reference ground | |
| 5 | DC-IN + | Crimping power input positive | Power input | |
| 6 | DC-IN stand | DC socket 5.5*2.1mm | Power input | |
| 7 | PWR-LED | Power Indicator | Red, lit when the power is on | |
| 8 | TX/RX-LED | Data sending and receiving indicator | Green, blinking when sending data. Blue, blinking when receiving data. | |
| 9 | MODE-LED | Status Indicator | Cyan light on: transparent transmission mode | Blue light on: WOR send mode；Green light on: Wor receive mode |
| 10 | Ground screw | Connect with the earth | Connect with the earth | |
| 11 | Antenna interface | SMA-K interface | external thread, 10mm, 50Ωcharacteristic impedance | |