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 ...

This may not matter since I do not have cable TV, but I thought I ask just in case. I have a Antronix 3 way splitter. It has 2 outputs for -7db and 1 for -3db. 2 outputs will run to TVs and the third ...