I think I follow. Top is how I have it set up now, bottom would be how I could do moca?

There’s a utility box on an exterior wall labeled “Television”, which also has a bush planted in front of it. I don’t think I can put my router here… :(

Is it possible to use moca if I have cable internet? There’s coax in my office and living room, so it would be great if I could us them for moca. I know both are connected to the cable coming in to the house because I have set up my modem in both rooms to check which has better wifi coverage.