Term of the Moment
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Redirected from: Cat 7a
Definition: cable categories
Following are the categories for telephone and Ethernet cables, which are abbreviated "Cat." For HDMI video cables, see HDMI cable types.
Cat5e Is Entry Level Today
Cat7 - Shielded and 10 Gbps
Cat Type of Bandwidth Data # Cable (MHz) Rate 8 ScTP/STP 2000 MHz 40-100 Gbps 7a ScTP/STP 1000 MHz 10 Gbps 7 ScTP/STP 600 MHz 10 Gbps 6a UTP/ScTP/STP 500 MHz 10 Gbps 6 UTP/ScTP/STP 250 MHz 10 Gbps 5e UTP/ScTP/STP 100 MHz 1 Gbps 5 UTP/ScTP/STP 100 MHz 1 Gbps 4 UTP/ScTP/STP 20 MHz 16 Mbps 3 UTP/ScTP/STP 16 MHz 4 Mbps 2 UTP 4 MHz 4 Mbps 1 UTP 1 MHz Analog
To be more resistant to crosstalk, Cat5e wires are twisted more tightly inside the cable than Cat5. Because Gigabit Ethernet is found on every new computer, Cat5e is the basic Ethernet cable today.
Cat7 cables (top) and Cat5e (bottom) have the same four sets of twisted pair. However, Cat7 shields each pair separately and wraps all four together in a metal sheath or strands of wire as in this example.