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Lan cable
NEWS - 2022/10/31
Cat-3 is currently defined and recognized by TIA/EIA-568.2-D. Provides 16MHz bandwidth. Used to be commonly used on 10 Mbit/s Ethernet networks.
Cat-4 is currently defined and recognized by TIA/EIA-568.2-D. Provides 20MHz bandwidth. It used to be commonly used in 16 Mbit/s Ring of Wands networks.
Cat-5 is currently defined and recognized by TIA/EIA-568.2-D. Provides 100MHz bandwidth. Currently commonly used in Fast Ethernet (100 Mbit/s).
Cat-5e is currently defined and recognized by TIA/EIA-568.2-D. Provides a bandwidth of 125MHz. Currently commonly used in Fast Ethernet and Gigabit Ethernet (1000Mbit/s).
Cat-6 is currently defined and recognized by TIA/EIA-568.2-D. Provides a bandwidth of 250MHz, which is one and a half times higher than CAT-5 and CAT-5e.
Cat-6a is currently defined and recognized by TIA/EIA-568.2-D. Provides 500MHz bandwidth for use in 10 Gigabit Ethernet (10 Gbit/s).
Cat-7 is the informal name for the ISO/IEC 11801 Class F cable standard. This standard defines 4 twisted pairs of individually blocked wires wrapped in a single block. Designed to transmit signals at 600MHz.
CAT-8/Class I is currently defined and recognized by TIA/EIA-568.2-D. Provides a bandwidth of 2000MHz and is used in 40 Gigabit Ethernet (40 Gbit/s). (ISO/IEC 11801-1 2017-11 edition, defined as Class I) uses the 8P8C connector.
CAT-8.2/Class II is currently defined and recognized by ISO/IEC 11801-1 2017-11 edition. Provides a bandwidth of 2000MHz and is used in 40 Gigabit Ethernet (40 Gbit/s). Use TERA or GG45 connectors.
