The Winegard Sensar III Batwing amplified digital RV antenna receives local broadcast HDTV signals. Watch top rated shows from broadcast networks in clear digital HD wherever your travels take you. The Winegard Sensar has been the leading RV TV antenna for decades and with has passed rigorous UV and environmental testing. The increased range and VHF capabilities of the Sensar allow you to watch your favorite shows in the lowest signal areas.