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CH340 Chip USB To RS485 485 Serial RS232 232 Converter Adapter MAX232 Support The Laptop Port For Win7 Linux Compliant USB 2.0

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CH340 Chip USB To RS485 485 Serial RS232 232 Converter Adapter MAX232 Support The Laptop Port For Win7 Linux Compliant USB 2.0

$1.77

1.97

1

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