the cable can be further shielded in a variety of ways, either with foil around the individual pairs (U/FTP), around all the pairs (F/UTP), or both (F/FTP). A network cable can be marked and sold ...
Following are the categories for telephone and Ethernet ... Data # Cable (MHz) Rate 8 ScTP/STP 2000 MHz 40-100 Gbps 7a ScTP/STP 1000 MHz 10 Gbps 7 ScTP/STP 600 MHz 10 Gbps 6a UTP/ScTP/STP 500 ...