The other issue that often plagues wifi at campgrounds is poor system design.
Wifi has two channel bands - 2.4ghz and 5ghz. 2.4 is the most commonly installed since it works with all WiFi devices, whereas not all equipment is capable of working on 5ghz.
2.4ghz has 11 channels - but only 3 are non-overlapping: 1, 6, and 11. What channel is used and the placement of the access points is crucial to avoid self-inflicted interference. I've seen campgrounds that used all channel 1 and had lots of access points, most of which could not only hear each other (and thus contended for the same airspace), but also had stations (campers) that would be in between them, exacerbating the problem. Other campgrounds used the overlapping channels - presumably not knowing that they conflict - and so you saw channels 1, 2, 3, 4, and 5 being used, which resulted in another mess. Most times when I've talked to the manager about it, I've gotten reactions ranging from blank stares and a comment about how they had some company come set it up and it just "works like that" to indignation that I would suggest that something might not be quite right.
As a result, I use my hotspot or cellular data much more often than I use campground WiFi.
Incidentally, if the problem is poor system design, a wifi "range enhancer" will actually hurt you more than help you, as you add yet another station to the mix that has to compete to be heard amongst the noise. Getting better SERVICE (as opposed to better SIGNAL) is not always possible no matter what you do. The problem is that figuring out what the problem is requires more knowledge of WiFi and how it works than 99% of Wifi uses would be expected to possess. So, the easy way out is to not use it if it doesn't live up to your expectations.
Amazingly, I've offered to help fix the problems at a campground we go to often for free and have never been taken up on it, even though the management readily concurs that they get lots of complaints from guests. It's not easy to provide high quality WiFi service in an outdoor area with lots of moving signal blockers (RVs); so the design is crucial.
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