Vertical Cable Cat6, 550 MHz, Shielded, 23AWG, Solid Bare Copper, 1000ft, Black, Bulk Ethernet Cable Cat 6 550 mhz stp 1000 feet black Shielded Twisted Pair (STP) Cable - 550 MHz 23 awg wires made of solid bare copper conductors ETL type CMR for indoor and riser network installations Exceeds TIA/EIA-568-C.2 specifications