E800-DTU(433L20-232) 433M RS232 / RS485 interface Lora wirelss modem wireless data transceiver
[Frequency]：425~450.5MHz
[Power]：17dBm
[Distance]：1.0km
[Size]： 66*66*21mm
[Interface]： RS232
[Feature]：Continuous transmiss
[Introduction]：E800-DTU(433L20-232) 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 RS232 / RS485 interface, different with the analog FM transceiver plus MODEM analog digital transceiver.
| Pin No. | Name | Function | Description |
|---|---|---|---|
| 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 transmitting data |
| 4 | RXD-LED | Receive LED | Yellow, blinks when receiving 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 |