Generic CB-LZC6A-20BK Cat6a Sftp Cable, Cable Length 20m, Black, Network Cable, Frequencies 500Mhz, Shield 100 Ohm. CAT6A ( CAT6 Augmented ) cable is an ideal solution for 10G network. It supports the higher frequencies required for 10G Ethernet and fully backwards compatible with CAT6 and CAT5e.