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..The shell adopts three-proof coating, which is Anti-Fungal, Anti-Humidity, and Anti-Salt Spray. Wireless data transceiver provides transparent RS485 interface, different with the analog FM transceiver plus MODEM analog digital transceiver.
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| 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 |