LANSAN Category 6 U/UTP 250Mhz Cable be used for high-performance transmission, at least twice than CAT5e. Center Cross design against the NEXT and provide a more stable performance. Big Pulling Hole Design allows the installer to lay 10 Boxes in the meantime without jam issues. Combined with Un-Shield Keystone, Patch Cords, and Patch Panel, it provides excellent compatible performance.