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CAT5E, CAT6, CAT6A AND CAT7 CABLES
Jul 20, 2018

Category 5 (CAT5E), Category 6 (CAT6 and CAT6A) and Category 7 (CAT7) cables are structured cabling for computer networks such as Ethernet. Their specification covers their construction, performance characteristics and test requirements. CAT7 cable is specified in CENELEC EN 50173:2002 and ISO/IEC 11801:2002 standards for installation cables only, however, CAT7 cable is not yet recognized by the Telecommunications Industry Association (TIA/EIA). CAT7 cable, in addition to the approved CAT5e, CAT6 and CAT6a LAN cables, form part of a wide range of cables used for the transmission of Gigabit Ethernet. 

See applications as below:


CAT5E: Cat5e supports a frequency range of up to 100MHz and is designed for transmission speeds of up to 1 gigabit per second (Gigabit Ethernet).


CAT6: Cat6 supports a frequency range of up to 250MHz and is designed for transmission speeds of up to 1 gigabit per second (Gigabit Ethernet). Cat6 offer improved performance and transmission reliability, especially in connection with the 1000BaseT and 1000BaseTX protocols.


CAT6A: A very high-performance data cable designed for transmission speeds of up to 10GB per second. Developed specifically with the new 10GBaseT Ethernet protocol in mind. Cat6a offers 500MHz bandwidth and so is suitable for the most data-intensive applications used on metallic computer networks.


CAT7: Cat7 cable is very high-performance data cable designed for transmission speeds of up to 10GB per second over 100m, and supporting frequency ranges up to 600MHz. They are backwards compatible with Cat5e, Cat6 and Cat6a, and have individual and overall screening to meet strict crosstalk requirements.