Flexible high-speed wire pair, high-speed wire rod and high-speed cable

The utility model discloses a flexible high-speed wire pair, a high-speed wire rod and a high-speed cable. The cable comprises a parallel line set, a metal shielding belt wrapping the parallel line set, two ground wires arranged on the two sides of the metal shielding belt in parallel, and a sheath layer wrapping the metal shielding belt and the ground wires. The flexible high-speed wire pair is characterized in that the flexible high-speed wire pair further comprises a PTFE belt wrapping the parallel wire group, and the metal shielding belt longitudinally wraps the PTFE belt; wherein the parallel line group comprises at least one pair of core lines arranged in parallel, in one core line, the core line comprises a central conductor and a foaming extrusion layer, and the foaming extrusion layer is coated outside the central conductor. The utility model relates to a flexible high-speed wire pair, a high-speed wire rod and a high-speed cable. By arranging the core wire of the foaming structure and arranging the