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USB To RS232 D-SUB DB 9Pin SERIAL Port Connecting Cable Adapter w/ driver 1m 100cm USB 2.0 To RS 232 _ - AliExpress Mobile
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Amazon.com: USBGear 12 inch USB to Serial RS-232 DB-9 Pin Adapter with FTDI Chipset for Windows 10, 8, 7 and Mac Systems - Use for Laptop Serial Port, PDA, GPS, Modems, Routers and More : Electronics
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