[Extreme Performance] Our Cat6 plenum Ethernet cable supports 1 and 5 Gigabit speeds up to 328ft, 10 Gigabit up to 165ft, and bandwidth tested up to 550MHz. Supports Power over Ethernet: PoE/PoE+/PoE++ (IEEE 802.3af/at/bt) 4PPoE up to 100W. [Quality Guaranteed] CMP jacket meets strict fire safety requirements for air plenum spaces, offering high flame resistance and low toxicity smoke. Pure bare copper conductors deliver better signal, conductivity, and flexibility than CCA cables. [Versatile] Compatible with shielded and unshielded Cat6 RJ45 connectors for 23AWG solid conductors. Our Cat6 Ethernet cable is a great option for residential, commercial, and data center installations. [Easy to use] Comes pre-spooled on a tangle free, easy pull reel so you dont have to worry about getting behind on your next job. Footage markings every 2 feet improve efficiency and easily allow you to track how much cable is left. [ Field Tested, Customer Approved] Our data cables have been tested w