Cat 4

Cat 4 or Category 4 is network cabling that consists of four UTP wires, transmits data at 16 Mbps, and was used with Token Ring networks, 10BASE-T, and 100BASE-T4. Today, Cat 4 is no longer used and rarely found.

Cable, Cat 1, Cat 3, Cat 5 and Cat 5e, Cat 6, Cat 7, Network terms