computer data used in computer networks, paging, cabling, PA address system, sound system, banking, finance, securities, subway, S/N.Part No.Description1UTP-Cat5eCAT5E UTP Solid 0.51mm, RoHS PVC, 305m/box2UTP-Cat6eCAT6 UTP Solid 0.575mm, RoHS PVC, 305m/Reel-box Cat 6e cable