I want to move my router and modem to a new location in house for better wifi and internet. i have a dedicated line to both now. would like to keep present line end for possible future use. can i use ...

I'm hoping the group's experience with home wiring can give me some direction. I have 5 coax drops on the second floor of my house. 1 has a good signal, but from the other 4 I get TV picture/sound, ...