Genesis Cable Systems 4-pair Category 6 UTP cable line with performance fully compliant with the TIA-EIA Draft 8. Genesis Catlink 6 Plus cables are tested to 500 MHz, which exceeds the 250 MHz requirement. This wire is available in 1000 foot reels only., Cat6 500, Plenum, Spool, White, 1000' 9/9/08 ***Use 51021001*** 51021001 will ships