A:AnswerIf your cable provider doesn't offer local broadcast you will most likely have to use an antenna. I use a clear stream antenna I purchased from Best Buy and a splitter with a switch so I can change to the antenna when I want to watch the local channels.
A:Answer54.6" screen (measured diagonally from corner to corner)
Width 48.8 inches, Height With Stand 30.4 inches, and Height Without Stand 28.2 inches
A:AnswerIt most likely is compatible, but without the mount model number it is not possible to say for sure. If the mount is 400mm x 400mm VESA compatible then it is.