C2G 52034 DB9 M/F Serial RS232 Extension Cable, Black (50 Feet, 15.24 Meters) Extend your RS-232 serial cable for more flexibility Extend an existing DB9 cable up to 50ft Place peripherals in the most convenient location Available in beige and black Lifetime Warranty Don&#039;t sacrifice convenience when determining where to place your hardware! A DB9 extension cable can give you the flexibility to extend a computer peripheral wherever you need it. Each extension cable comes fully shielded to prevent unwanted EMI/RFI interference, Connector thumbscrews provide a quick and easy connection every time. Designed in various colors to look great in any space. Fully molded cable design delivers excellent strain relief. All lines are wired straight through.