Norden Category 6 S/FTP 4 pair Double jacket cables exceed Category 6 / Class E specification and used in external application. It is tested to 250 MHz frequency range and designed to support Gigabit 1000Base-T and 1000Base-Tx applications upto 100m. 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 (Foiled Twisted Pair) cabling systems. S/FTP (Twisted Pair – Overall shield and Individual Foil shield) cabling systems are installed for improved Alien Cross talk performance