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Reference Guide for the Category Standards

Standard (Name)

Maximum Bandwidth

Maximum Distance

Maximum Data Rate

Level 1
(CAT1)

0.4MHz

 

1Mbps

Level
(CAT2)

4MHz

 

4Mbps

CAT3

10MHz

 

10Mbps

CAT4

20MHz

 

16Mbps

CAT5

100MHz

100 metres

100Mbps

CAT5e
(Class D)

100MHz

100 metres

1Gbps

CAT6
(Class E)

250MHz

100 metres
(55 metres)

1Gbps
10Gbps
(limited distance)

CAT6a
(Class Ea)

500MHz

100 metres

10Gbps

CAT7a
(Class F)

600MHz

 

10Gbps

CAT7a

1000MHz

 

10Gbps

CAT8

1600-2000MHz

 

40Gbps

 

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