The different categories denote the frequency at which the cable will pass or fail at a number of parameter tests. In theory, the higher the frequency, the more data (megabits per second / Mbps) you can transmit. The word Category is often abbreviated as Cat, as we have below.
|Cat5e||Up to 100Mhz||Supports GbE (Gigabit Ethernet/1000Mbps) up to 100m|
|Cat6||Up to 250Mhz||Supports GbE up to 100m|
|Cat6a||Up to 500Mhz||Supports 10GbE up to 100m|
|Cat7||Up to 600Mhz||Supports 10GbE up to 100m|
|Cat7a||Up to 1000Mhz||Supports 10GbE up to 100m|
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