Wire Types

• Category 3: 10 Mbps

• Category 4: 16 Mbps (for token ring)

• Category 5: 100 Mbps / 1000 Mbps

  • Cat5e: tighter tolerances
  • Cat6: Allows even higher bandwiths

• Shielded or unshielded

• Advice: use Cat 5, Cat 5e or Cat6 UTP (unshielded twisted pair)

• Category 7 and higher marketing hype

  • Not official IEEE spec

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