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Category (TP cable)

TP cables for Ethernet applications are divided into categories according to their electrical features:

  • Category 1: No performance criteria
  • Category 2: Up to 1 MHz (telephone)
  • Category 3: Up to 16 MHz (10BaseT)
  • Category 4: Up to 20 MHz (Token-Ring, 10BaseT, 100BaseT4)
  • Category 5: Up to 100 MHz (10BaseT, 100BaseT4, 100BaseTX)