Cat 5 Levels?

I keep on getting different information on the cat 5 levels. Are they right?
Cat 1 =analog
Cat 2 = 4 Mbps
Cat 3= 16 Mbps Used for 4 Mbps Token Ring
Cat 4 = 20 Mbps
Cat 5 = 100 Mbps Used for 5 mbps Token Ring

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Ricka182

Techexams.net technotes wrote:

Cat.1 Used for voice/telephone communication only.

Cat.2 Data rates up to 4 Mbps.

Cat.3 Data rates up to 4 Mbps in TokenRing networks, 10 Mbps in Ethernet networks, bandwidth of 16 MHz.

Cat.4 Data rates up to 16 Mbps in TokenRing networks, 10 Mbps in Ethernet networks, bandwidth of 20 MHz.

Cat.5 Data rates up to 100 Mbps, bandwidth of 100 MHz

Cat.5e Data rates up to 1 Gbps (Gigabit Ethernet), bandwidth of 100 MHz rated (tested up to 350 Mhz).

Cat.6 Data rates up to 1 Gbps (Gigabit Ethernet), bandwidth of 250 MHz rated (tested up to 550 Mhz).

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