Siemon’s Premium 6 cable provides performance exceeding category 6 transmission levels for both ANSI/TIA-568-C.2 and ISO/IEC 11801 industry standards. Combine our high performance category 6 connectivity with Premium 6 cable and the result is a system with superior electrical performance. The additional headroom above industry standard transmission levels provides a high level of immunity to installation variables ensuring reliable application support over the life of your cabling system.