Ugreen USB-A - DB9 RS-232 adapter cable 1.5m gray (CR104) The USB-A - DB9 RS-232 cable connects a DB9 serial device (9 PIN), e.g. a modem, with a computer. Supports Windows 10, 8.1, 8, 7, Vista, XP, 2000, Linux 2.4 and above, Mac OS X 10.6 and above. The adapter works with modems, ISDN terminal adapters, digital cameras, label printers, palmtop computers, PDA, cash registers, CNC, PLC controller, tax printer, POS, barcode scanner, label printer and devices with DB9 serial ports. Specification: Brand: Ugreen Model: CR104 Color: Gray Length: 1.5m Connector type: USB-A / DB9 RS-232 Compatibility: Windows 10 Windows 8.1 Windows 8 Windows 7 Windows Vista Windows XP Windows 2000 Linux 2.4 and later versions Mac OS X 10.6 and later versions