I am running twin coax cables from a twin LNB on my satellite dish on my my roof to my TV room three floors down. The rest of my house has RF cabling in the walls with each room having a wall plate ...

You know about coaxial cable (Fig. 1). We all use it in one form or another, and it seems simple enough. But while modern cable products are better than ever, there are some real subtitles in their ...