[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, 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 |