With DB9 extension cables, you will no longer sacrifice convenience when it comes to the placement of computer peripherals in your work area! Let us give you the flexibility to extend an existing piece of hardware wherever you need it. DB9 extension cables can extend your existing connections or replace the cables that restrict you. Each extension cable comes fully shielded to prevent against unwanted EMI/RFI interference, and its fully-molded design delivers excellent strain relief. Features: Connectors: DB9 Male to DB9 Female. Extend your existing RS-232 serial cables. Fully shielded to prevent unwanted EMI/RFI interference. Fully molded connectors with thumbscrews provide a quick and easy connection every time. All lines wired straight through.