Shop 550 MHz Cat6 Plenum 1000ft Solid Conductor CMP Rated Ethernet Networking Cable at West Cables. Cat6 Plenum Cable is Smooth easy for Installation. Buy high-quality Bulk 1000ft Category6 or Cat6 Plenum CMP UTP “Unshielded Twisted Pair” Ethernet Cable with enhanced voice. Cat6 Plenum cable comes with enhanced performance, bandwidth, Audio/Video, broadband and in Reel packing for smooth and easy installation. This cable is perfect for use at home and in the office also, can be used in indoor/outdoor applications.