E800-DTU(433L30-232) Industrial grade wireless digital radio
[Interface type]：RS232
[Working frequency]： 410~441MHz
[Transmitting power]： 1W
[Communication distance]：8km
[Product size]：66*66*21mm
[Product weight]：79±4.5g
[Introduction]：E800-DTU is a wireless data transmission radio that uses digital signal processing, digital modulation and demodulation,The shell adopts three-proof coating, which is Anti-Fungal, Anti-Humidity, and Anti-Salt Spray. and has functions such as forward error correction and equalization soft decision. Difference from analog FM radio plus MODEM analog digital radio, RS232 interface.
| RF parameters | Parameter value | Remark |
| Working frequency | 410~441 MHz | Factory default 433MHz |
| Transmit power | 21~30 dBm | Factory default 30dBm, about 1W |
| Air speed | 0.3kbps ~ 19.2kbps | Factory default 2.4kbps |
| reference distance | 8 km | - |
| Hardware parameters | Parameter value | Remark |
| Size | 66 * 66 * 21mm | - |
| Antenna form | SMA-K | - |
| Communication Interface | RS232 | Standard DB9 hole type/3.81 terminal block |
| baud rate | Factory default 9600 | Baud rate range 1200~115200 |
| cache capacity | 512byte | Automatically subpackage and send 197 bytes |
| Electrical parameters | Minimum value | Typical value | Maximum value | Unit | Condition |
| voltage | 8 | 12 | 28 | V | - |
| Emission current | 279 | 310 | 341 | mA | 30dBm（1W） |
| Waiting for current | 18 | 20 | 22 | mA | - |
| Operating temperature | -40 | 20 | 85 | ℃ | - |
| Working humidity | 10 | 60 | 90 | % | - |
| Storage temperature | -40 | 20 | 125 | ℃ | - |