The Belkin CAT6 Networking Cables are the ultimate LAN patch cables. They are designed to be used in mission-critical networks, and they are also ideal for DSL and cable modems. They provide the bandwidth necessary to reliably deliver your broadband voice, data, and video applications. Each Belkin CAT6 Networking Cable is made with the highest-performing components and tested prior to shipment. The return loss of any marginal CAT5 cable channel can be improved by 40% by simply replacing the patch cable at each end of the channel with the Belkin CAT6 Networking Cable.