[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.
| RF Parameter | Value | Remark |
|---|---|---|
| Working frequency | 850.125~930.125 MHz | Default: 868.125MHz |
| Transmitting power | 30 dBm | About 1W |
| Air data rate | 0.3k~62.5kbps | Default: 2.4kbps |
| Test distance | 10000 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 | 81 | 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 | - | 279 | - | mA | 30dBm(1W) |
| Stand-by current | - | 21 | - | mA | - |
| Operating temperature | -40 | 20 | +85 | ℃ | - |
| Operating humidity | 10 | 60 | 90 | % | - |
| Storage temperature | -40 | 20 | +125 | ℃ | - |