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, while ...

I went to CompUSA and just grabbed a regular ol' Cat 5 patch cable. When I came home and plugged it in, the computer and the router would both not recognize it, just like my other ethernet cable.

Coax will probably still be the cable of choice for most feedline applications, but it’s nice to know there are alternatives. And who knows—if you stick to QRP work, maybe Cat 6 could even be ...