No coaxial cable - DirecTV

This question is about "No coaxial cable", with DirecTV channels, programming, equipment, and sports. My old box has three coaxlia cables coming out the back. Two for satallites and one for the TV.
The new box only has two??? There are three R C A jacks two blue and one red is that the feed to the T V???

This topic covered No coaxial cable, and DirecTV satellite tv service.