Cable, NEXTSPEED® Category 6/550MHz, Plenum/REELEX, Blue - Hubbell's NEXTSPEED® Category 6 cable provides considerable margin above all electrical transmission performance requirements specified in TIA/EIA-568-B.2-1 and ISO/IEC 11801 (2nd edition) standards. Hubbell Premise Wiring's high-performance NEXTSPEED® connectivity (jacks, panels, cords, blocks) was designed to mate with NEXTSPEED® Category 6 cable creating a cabling system that provides optimum electrical performance capabilities of handling critical, high-bandwidth applications.