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E32-DTU(433L37) 433MHz SX1278 LoRa Long Range 5W RS232 RS485 Radio Frequency RTU Module






[Introduction]:E32-DTU (433L37) is wireless data transceiver of 433M with standard RS232/RS485 connectors. They are half-duplex. TX & RX modems with LoRa technology and transparent transmission mode. Voltage supply ranges from 8V to 28V, Working frequency

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