E90-DTU(900SL30) New SX1262 850-930MHz 30dBm Long Range LoRa RS232/RS485 Automatic Network Repeater LBT RSSI Transceiver Module
[Working frequency]：850.125~930.125MHz
[Transmit power]： 30dBm
[Communication distance]：10km
[Interface type]：RS232/RS485
[Product weight]： 131±5g
[Introduction]：E90-DTU (900SL30) is a data transceiver using military-grade LoRa modulation technology. It has multiple transmission modes and operating frequency range (850.125~930.125MHz) (default 868.125MHz). The transceiver provides a transparent RS232/RS485 interface and supports 8~. The input voltage is 28V.
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| Pin No. | Name | Function | Description |
|---|---|---|---|
| 1 | DB-9 femal socket | RS-232 interface | Standard RS-232 interface |
| 2 | 3.81 connecting terminal | RS-485, power interface | Standard RS-485 and screwing interface |
| 3 | PWR-LED | Power indicator | Red when powered-on |
| 4 | TXD-LED | Transmitting indicator | Yellow, it flashes when transmitting data |
| 5 | RXD-LED | Receiving indicator | Yellow, it flashes when receiving data |
| 6 | DC power interface | Power interface | Straight hole, outer diameter: 5.5mm, inner diameter: 2.5mm |
| 7 | DIP switch | DIP switch | Working mode control |
| 8 | Antenna interface | SMA-K | External thread hole.L: 10mm. 50Ω resistance. |