[Frecuencia]:410.125~493.125MHz
[Energía]:22dBm
[Distancia]:5km
[Interfaz]:RS232/RS485
[Peso]:128±5g
[Introducción]:E90-DTU (400SL22) es un transceptor de datos con tecnología de modulación LoRa de grado militar. Con múltiples modos de transmisión, funciona en la banda de frecuencia (410.125~493.125MHz) (Predeterminado 433.125MHz). El transceptor proporciona una interfaz RS232/RS485 transparente y admite 8~. Entrada de voltaje de 28V.
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. |