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12VDC 2 CH RS485 Modbus RTU Relay Module UART Serial Port Switch PLC Digital Output Expansion Board Motor FW & BW Controler

USD 2.70USD 4.28

12VDC 2 CH RS485 Modbus RTU Relay Module UART Serial Port Switch PLC Digital Output Expansion Board Motor FW & BW Controler

Description
Specification
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