Norden Category 6 F/UTP Double jacket Steel wire Armoured cables exceed Category 6 / Class E specification. It is tested up to 250 MHz frequency range and designed to support Gigabit 1000Base-T and 1000Base-Tx applications. This cable has LSZH inner jacket and PE outer jacket. Extremely high pair balance providing excellent EMC (Electromagnetic Compatibility), minimizing radiation, maximizing noise immunity, and providing high alien crosstalk performance to F/UTP cabling systems.