I mounted a sheet of metal on top of the fridge vent cover and ran the wire down the fridge vent and into the closet. Finding a good location for the internal antenna was tough (I think because the RV does not have much metal). The best placement I found put the fridge between the exterior and internal antennas. I mounted the mifi (hotspot) right next to the internal antenna. Seems to work well, but I have not used it much yet.
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