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E34-DTU (2G4D27） 2.4GHz wireless digital radio
[Introduction]：High-speed DTU E34-DTU-2G4D27 with RS232/RS485 interface， 8V~28V, operating at 2.4~2.518GHz features full-duplex, unlimited package length, concentrated power density, long transmitting distance & high data rate, transmitting and receiving at the same time. It supports data encryption & compression. File transfer is available.
| Foot number | name | Function | illustrate |
|---|---|---|---|
| 1 | DB-9 female socket | RS232 interface | Standard RS232 interface |
| 2 | RS485-A | RS485 interface | 2P*3.81 wiring terminal |
| 3 | RS485-B | RS485 interface | 2P*3.81 wiring terminal |
| 4 | GND | Power interface | Negative power supply |
| 5 | VCC | Power interface | Positive power supply |
| 6 | PWR-LED | Power Indicator | Lights up when power is on |
| 7 | TXD-LED | Data sending indicator | Blinks when sending data |
| 8 | RXD-LED | Receive indicator | Blinks when receiving data |
| 9 | DC power interface | Power interface | In-line round hole, outer diameter 5.5mm, inner diameter 2.5mm |
| 10 | DIP switch | DIP switch | work mode control |
| 11 | DIP switch | DIP switch | work mode control |
| 12 | Antenna interface | SMA-K nterface | External thread inner hole, length 10mm, characteristic impedance 50Ω |