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.
| Pin number | Name | Function | Description |
| 1 | 3.81mm terminal block | Serial interface, power interface | Standard RS-232 interface and crimped power interface |
| 2 | PWR-LED | Power Indicator | Red, always on when the power is turned on |
| 3 | TXD-LED | Send indicator light | Yellow, flashing when sending data |
| 4 | RXD-LED | Receive indicator light | Yellow, flashing when receiving data |
| 5 | M0-LED | Mode indicator | Red, M0 and M1 indicators jointly indicate the working mode |
| 6 | M1-LED | Mode indicator | Red, M0 and M1 indicators jointly indicate the working mode |
| 7 | mode switch | tactile switch | Working mode control switch |
| 8 | Antenna interface | SMA-K interface | External threaded inner hole, length 10mm, characteristic impedance 50Ω |