Monoprice's 23AWG Cat6 550MHz STP Solid, Riser-Rated CMR Bulk Pure Bare Copper Ethernet Cable is premium, high-speed cabling designed for use in 1000Base-T Gigabit Ethernet network environments. Constructed using 23AWG solid, pure bare copper conductors with a CMR-rated PVC jacket, it exceeds TIA/EIA 568-C.2 standards and is safe for use in the Riser spaces of commercial class buildings. This cable is UL-listed and RoHS compliant. Features Shielded Twisted Pair STP Category 6 Ethernet cable 23AWG solid, pure bare copper conductors CMR Riser fire safety rating 550MHz bandwidth Designed for use in 1000Base-T Gigabit Ethernet network environments Exceeds ANSI TIA/EIA 568-C.2 standards UL listed and RoHS compliant 1000-foot wooden spool