I run both a Wifi Ranger with external Sky unit and a wilson 4G LTE booster / verizon jetpack.
The wifi ranger (via external sky antenna) will pickup wifi from pretty far away (2,500 feet is what they claim). The internet is most parks I stay at is bandwidth limited to 1Mbit/s... so you can just barely stream a low-resolution netflix movie if you adjust your netflix bandwidth to SD.
The wifi ranger provides a secure internal network for the trailer inside via a little router that I mounted in a cabinet next to the fridge. The router also supplies power over ethernet to the wifi Sky antenna which I mounted to the top of the fridge vent.
I also mounted the wilson booster antenna to the top of the fridge vent...
the jetpack gets tethered to the internal router via USB, and the wilson booster has a cable that plugs into the jetpack antenna port...
The wifi ranger router software is pretty slick... you can automatically fail-over from wifi-to-LTE and you can also load balance between the 2 internet connections if you want to leverage campground wifi for some bandwidth and limit data usage.
Overall the install was quite simple an straight forward... I did have to remove the fridge to feed the wires up through the vent but that was a better plan vs. drilling holes in the roof
wifi ranger external sky antenna: https://www.wifiranger.com/solutions.../7-rv-wifi-sky
wifi ranger Go2 internal router with LTE tethering support: https://www.wifiranger.com/solutions.../6-rv-wifi-go2
wilson LTE amplifier: http://www.wilsonsignalbooster.com/w...-carriers.html