E800-DTU(433L20-485)-V8 transparent RS485 interface 3km Industrial Wireless Digital Radio
[Frequency]：410~441MHz
[Power]：20dBm
[Distance]：3km
[Size]：82*62*25mm
[Interface]：RS485
[Feature]：LoRa Spread Spectrum Anti-Interference
[Introduction]：E800-DTU is a wireless data transceiver with the function of digital data processing, digital modulation and demodulation, FEC, balanced soft decision, etc.. Wireless data transceiver provides transparent RS485 interface, different with the analog FM transceiver plus MODEM analog digital transceiver.
| Pin No. | Name | Direction | Function |
|---|---|---|---|
| 1 | 3.81mm terminal block | UART interface/ Power supply interface | Standard RS-232&485 interface/Screwing power supply interface |
| 2 | PWR-LED | Power LED | Red, lit when the power is on |
| 3 | TXD-LED | Transmit LED | Yellow, blinks when sending data |
| 4 | RXD-LED | Receive LED | Yellow, blinks when sending data |
| 5 | M0-LED | Mode LED | Red,M0 M1 indicate the Operating mode together |
| 6 | M1-LED | Mode LED | Red,M0 M1 indicate the Operating mode together |
| 7 | Mode switch | Tact switch | Control the Operating mode |
| 8 | Antenna interface | SMA-K interface | External thread, 10mm, 50Ω characteristic impedance |