Norden Category 6 S/FTP External Cables exceed Category 6 / Class E specification. 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. S/FTP (Twisted Pair – Overall shield and Individual Foil shield) cabling systems are installed for improved Alien cross talk performance. Cable is Constructed with PE Insulation and Outer Jacket.