With a network cable can do to make mini hdmi cable

I want to do with a network cable USB extension cable. Access wireless card. Received outside the window. Because the suburbs each had a bad signal to get a good spot where the signal near the window. So WISDOM barrier terminal block  I want to use a USB extension cable to drag cards received from outside the house. Fear of weak signals. Useful insufficient power supply lines do see. But how to identify a network cable with good or bad? Is to look at the copper content? But do not see the time to buy. Or watch cable manufacturers. Or softness? The two were connected to the power remaining two groups WISDOM ethernet jack  received a set of three remaining two signal lines. Feasible? About 5 meters long. Plug ruined a USB extension cable. Window with a powered mini hdmi cable box will good points? But trouble will also house the cable to be unplugged. I hope you give points. You mean the family does not need to rub someone else's broadband router network? If the home is installed on the line home broadband equipment that will inevitably router, whether you're wired or wireless Internet access are unlikely to signal bad, after all, will be taken into account when installing these issues. You want to close the window wireless card is WISDOM dvi to hdmi adapter  what the reason for this? Then talking back to a dedicated mini hdmi cable extension cord meters have very cheap prices, so why use a network cable at great pains to change it? Classification is a few lines like, now is a better category 6 twisted pair cable 8-core, USB extension cable can not do it I do not know it. Instead of buying this might as well change the network cable directly to buy USB extension cable.