220~236MHz 22dBm LoRa de largo alcance RS232/RS485 TCXO repetidor automático RSSI SX1262 Módem transceptor
[Frecuencia]：220.125~236.125MHz
[Energía]：22dBm
[Distancia]：5km
[Interfaz]：RS232/RS485
[Peso]：128±5g
[Introducción]：E90-DTU (230SL22) es un transceptor de datos con tecnología de modulación LoRa de grado militar. Con múltiples modos de transmisión, funciona en la banda de frecuencia (220.125~236.125MHz) (230.125MHz por defecto). El transceptor proporciona una interfaz RS232/RS485 transparente y admite 8~. Entrada de voltaje de 28V.
| RF Parameter | Value | Remark | |
|---|---|---|---|
| Working frequency | 220.125~236.125 MHz | Default: 230.125MHz | |
| Transmitting power | 22 dBm | About 160mW | |
| Air data rate | 0.3k~15.6kbps | 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 | 65 | 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 | - | 46 | - | mA | 22dBm（160mW） |
| Stand-by current | - | 11 | - | mA | - |
| Operating temperature | -40 | 20 | +85 | ℃ | - |
| Operating humidity | 10 | 60 | 90 | % | - |
| Storage temperature | -40 | 20 | +125 | ℃ | - |