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[Introduction]:High-speed DTU E34-DTU-2G4D20 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.

Pin No. Name Function Description
1 DB-9 female connector RS-232 connector Standard RS-232 connector
2 3.81 wiring connector RS-485, power connector Standard RS-485 connector and line-pressing power source connector
3 PWR-LED Power source indicator Red, light on when power on
4 TXD-LED TX indicator Yellow, flicker when transmitting data
5 RXD-LED RX indicator Yellow, flicker when receiving data
6 DC power connector Power source connector Drop-in round hole, 5.5mm external diameter, 2.5mm internal diameter
7 Toggle switch Toggle switch Operation mode control
8 Antenna interface SMA-K connector External screw and inner hole, 10mm long, 50Ω characteristic impedance