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Category 5 cable

commonly referred to as Cat 5, is a twisted pair cable for carrying signals. This type of cable is used in structured cabling for computer networks such as Ethernet. The cable standard provides performance of up to **0 MHz and is suitable for *0BASE-T, **0BASE-TX (Fast Ethernet), ***0BASE-T (Gigabit Ethernet), and 2.5GBASE-T. Cat 5 is also used to carry other signals such as telephony and video.

This cable is commonly connected using punch-down blocks and modular connectors. Most Category 5 cables are unshielded, relying on the balanced line twisted pair design and differential signaling for noise rejection.