Cat5 may still be an option, but Cat6 is faster, safer, and more durable Cat5 cables were the best option for wired networking (also called Ethernet) for a long time. But since the release of Cat6, ...

Following are the categories for telephone and Ethernet cables, which are abbreviated "Cat." For HDMI video cables, see HDMI cable types. Cat1 and Cat2 are unofficial voice grade standards ...

The increased spectral use of the copper wiring by subsequent Ethernet standards. The primary measurement that underlies these differences is called the spectral bandwidth, and is defined in Hertz.