Sensar HDTV Amplified Head Only - Amplified Head Only by Winegard. This is the most popular over-the-air RV TV antenna in America. Built-in amplifier and unique circuitry give you clear VHF/UHF reception whenever you park your RV. Raise, lower and rotate the antenna with hand crank from inside your RV. Its easy to install and lowers to only four inches above the roof while traveling. You will receive all parts to mount.