Category 6 Premise Horizontal Cable (250MHz), 4-Pair, 23 AWG Solid Bare Copper Conductors, U/UTP, Polyethylene Insulation, LSZH Jacket CPR Cca. Suitable Applications; horizontal and building backbone cable; support current and future Category 6 and 5e applications, such as 1000Base-T (Gigabit Ethernet), 100 Base-T, 10 Base-T, FDDI, ATM.