Copper Cable, Category 6A, 4 Pair, 23 American Wire Gauge (AWG), Unshielded Twisted Pair (UTP), CMR, Yellow, 1000 Feet (305 Meter), Exceeds requirements of ANSI/TIA-568-C.2 Category 6A, IEEE 802.3an-2006, and ISO 11801 Class EA channel standards, Exceeds requirements of ANSI/TIA-568-C.2 Category 6A and IEC 61156-5 Category 6A component standards, Meets requirements of IEEE 802.af and IEEE 802.3at for PoE applications, Patent-pending cable design suppresses alien crosstalk with enhanced internal electrical performance, Round cable design with reduced cable diameter enables improved cable bundling and optimizes fill capacity, Flame rating: UL1666, Cable diameter: 0.295 in. (7.5mm) nominal, Plenum 0.310 (7.9mm) nominal, Installation temperature range 32 Degrees Fahrenheit to 140 Degrees Fahrenheit (0 Degrees Celsius to 60 Degrees Celsius), Operating temperature range -4 Degrees Fahrenheit to 167 Degrees Fahrenheit (-20 Degrees Celsius to 75 Degrees Celsius), Descending length cable markings enable easy identification of remaining cable which reduces installation time and cable scrap.