PROLINK Cat.6 patch cords are used for connecting the network equipment to patch panels and telecommunications outlets. They are suitable for frequencies of up to 250 MHz Features Full the requirements of Category 6, Class E (250MHz) according to the present standard of the ISO/IEC 11801. Each individual patch cord is tested and marked with a quality stamp. Can also use as Cat5e (backward compatible). Strain relief is provided with wide function. Labeling possible on the strain relief or on the color-coding. The impedance of 100 ohms. LSZH version.