The world’s first cable certification for Cat 8! LAN copper and fiber cable certification – Class D, E, EA, F, FA and CAT 5, 6, 6A, 7, 7A and 8. Frequency range up to 2000 MHz with optional fiber test heads Suitable for DC impedance unbalance measurement up to CAT6A / Class EA Ready for CAT 8 and Class I and II up to 2000 MHz