More surprising, many of them didn’t even pass the Cat 5e specification. [Blue Jeans Cable] asserts that this is possible because the Ethernet cable specification is policed via the honor ...
For Gigabit Ethernet (1000BASE ... yet not many have the test equipment lying around to validate that a ‘Cat-6A’ cable isn’t secretly a barely-Cat-5-cable with CCA conductors.
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 ...