Chuck and Di
Ontario, Canada
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Joined: 09/28/2008
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88lover - A roof mount cellular antenna would work in either location - at home or on the camper, assuming you don't live too far from cell service. You may need to put a large metal plate under it to act as a ground plane.
If you only use the cell when the camper is parked, and can take a few minutes to aim the antenna, then a yagi will work in either location as well.
The antenna provides gain before the signal reaches the amplifier. Since the amplifier will amplify noise as well as signal, you want the signal as strong as possible before the amplifier. A yagi offers considerably more gain than a roof mount omnidirectional antenna, at the expense of being highly directional. This is why it is usually recommended for homes - you get a ton of gain and only have to aim it once.
So it really depends on your use. If you are worried about calling for help from the middle of nowhere, get a yagi and take the time to aim it when you are setting up camp. If you want to surf the net while driving, use a roof mount.
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