[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.
| RF Parameter | Value | Remark |
|---|---|---|
| Working frequency | 410.125~493.125 MHz | Default: 433.125MHz |
| Transmitting power | 22 dBm | About 160mW |
| Air data rate | 0.3k~62.5kbps | Default: 2.4kbps |
| Test distance | 5000 meter | - |
| Hardware Parameter | Value | Remark |
|---|---|---|
| Size | 82 * 62 * 25 mm | Without SMA-K |
| Antenna type | SMA-K | - |
| Communication interface | RS232 / RS485、Standard DB9 Hole / 3.81 connecting terminal | |
| Channel numbers | 85 | Half duplex |
| Buffer | 1000 bytes\Can be sub-packed to 32/64/128/240 byte each time via command |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
|---|---|---|---|---|---|
| Power supply | 8 | 12 | 28 | V | It is recommended to use 12V or 24V |
| Transmitting current | - | 45 | - | mA | 22dBm(160mW) |
| Stand-by current | - | 10 | - | mA | - |
| Operating temperature | -40 | 20 | +85 | ℃ | - |
| Operating humidity | 10 | 60 | 90 | % | - |
| Storage temperature | -40 | 20 | +125 | ℃ | - |