Bandwidth for cables refers to the range of frequencies used for the transfer of information through Networking data cables. The broader the bandwidth the more data that can be carried.
Bandwidth is measured in cycles per second or Hertz (Hz). Cables for data are classified as follows:
Category (CAT) 3 cable = up to 16Mhz
Category 4 cable = Up to 20Mhz
Category 5 cable = up to 100Mhz
Category 6 Cable = up to 250mHz
Category 7 cable = up to 600MHz
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