E90-DTU(400SL37) lora sx1268 module 433mhz data transceiver military-grade lora device wireless transmitter and receiver
[Frequency]：410.125~493.125MHz
[Power]：37dBm
[Distance]：20km
[Size]：124*105*25 mm
[Interface]： RS232/RS485
[Weight]：253±5g
[Introduction]： E90-DTU(400SL37) is a data transceiver with military-grade LoRa modulation technology.With multiple transmission modes, it works in the (410.125~493.125MHz) frequency band (default 433.125MHz).The transceiver provides transparent RS232/RS485 interface and supports10～36V voltage input.
| 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 interface and pressure line power interface |
| 3 | PWR-LED | Power LED | Red when powered-on |
| 4 | TXD-LED | Transmit LED | Yellow, it flashes when transmitting data |
| 5 | RXD-LED | Receive LED | 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 interface | External thread hole.L: 10mm. 50Ω resistance. |