Home >Modem>Wireless modem>LoRa wirelss modem
E61-DTU(433C33) High-speed wireless transceiver with both RS232 & RS485





[Introduction]:E61-DTU-433C33 is a high-speed wireless transceiver with both RS232 & RS485 interfaces working at 425 ~ 450.5MHz. It supports continuous data transmission with limitless data packet length.

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