Norden Category 6A S/FTP Duplex cables exceed Category 6A / Class E A specification. It is tested to 500 MHz frequency range and designed to support 10 Gigabyte applications to full 100 m. Extremely high pair-balance providing excellent EMC (Electro Magnetic compatibility), minimizing radiation, maximizing noise immunity and providing high alien cross talk performance to F/FTP cabling systems. S/FTP (Twisted Pair – overall shielded and individual Foil shield) cabling systems are installed for improved Alien Cross talk performance.