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This USB to RS232 DB9 serial adapter cable features premium gold-plated contacts to resist corrosion and minimize signal interference, ensuring smooth and reliable serial data transfer. Built with standard USB A Male to D-SUB 9-Pin Female port, the 1.5M/4.29FT cable offers flexible layout for desktop and industrial scenarios. It is fully compatible with Windows 11, 10, 8.1, 8, 7, Vista, XP and Mac OS systems, easy to install without complicated settings. Ideal for connecting barcode scanners, label printers, PLC controllers, POS machines and other legacy RS232 serial devices for daily and industrial communication use.