RS232 RS485 USB Wireless Transceiver 433M 868M Transmitter Receiver Module NEW

RS485<->RS485, RS232<->RS232,USB<->USB. USB<->RS485, USB<->RS232, RS485<->RS232. the way they work as well as wired RS485 bus. Master device transmit data, Slave devices all receive data.Any slave device transmit data, master device and the other slave devices can receive.

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