I use the VANGUARD BATWING antenna on my off-road POPUP camper...
Looks like this...
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I use the ANTENNA WALL PLATE PANEL in the trailer that has the TV TYPE F antenna connector and also a Power BOOSTER push-button switch. When ON this provides 12VDC going up my antenna RG cable where the actual booster amplifier is located...
My HDTV set sets on one of the table tops near the Tent Bed we sleep in... You have to have a digital TV now to be able to watch HDTV from the local digital TV Broadcast stations. The older analog TV sets are not used anymore... I get great reception using my outside antenna pole setup shown above. The BATWING is a great antenna to use. In my case all comes down and is stored inside my POPUP trailer when in transport mode...
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Roy Ken