C2G 52033 DB9 M/F Serial RS232 Extension Cable, Black (25 Feet, 7.62 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'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. 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.