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Category 5, or CAT5 (CAT5e) , is a twisted pair cable for carrying signals as in structured cabling for computer networks such as Ethernet, and telephony and video. Most Category 5 cables are unshielded, relying on the twisted pair design and differential signaling for noise rejection. However, we do also carry a Shielded CAT5. Category 5 Cable is rated to 100 mhz, but has been superseded by the Enhanced CAT5e or Category 5e 350 MHz specification. The cable is available in both stranded and solid conductor forms, wiring inside the wall usually being solid core, while patch cables are usually stranded. CAT5 & CAT5e are usually constructed of 4 twisted pairs, but are also widely made in 25 pair and can be made up to 100. We also have this cable in a Plenum version, for use around air ducting systems, and direct burial for underground runs.
Category 6 , or CAT6, is a;so a twisted pair cable used for Gigabit Ethernet and other networks that are backward compatible with the Category 5 / 5e and Category 3 cable standards. Compared with Cat 5 and Cat 5e, Cat 6 features more stringent specifications. Category 6a (or Augmented Category 6) is defined at frequencies up to 500 MHz—twice that of Cat. 6. Like CAt5 & CAT5e, CAT6 usually cable contains four twisted wire pairs. The increase in performance with Cat 6 comes mainly from increased (22 AWG) wire size.
Category 3 cable, or CAT3, is an unshielded twisted pair (UTP) cable designed to reliably carry data up to 10 Mbit/s, with a possible bandwidth of 16 MHz. Cat 3 was used in computer networking in the early 1990s and is currently still used in two-line telephone systems. Category 3 usually consists of 4 twisted pair, but we carry it up 25 pair.
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