The campground where our RV is located has pretty good WiFi. I assume that this thermostat can be connected to their wifi? Thanks for the help.
It's more likely to depend on the WiFi at the park. For example, TengoInternet installations require authentication of the device MAC address via a coupon code entered by browser interface. Since thermostats are unlikely to have a browser interface, it's unlikely that you would be able to authenticate to Tengo. They have an alternate method where they will enter your MAC address manually for $14.95 per week. You can resolve this by purchasing a WISP capable router for your RV. The router gets authenticated via your computer and the thermostat connects to the router along with your other equipment.
Other campgrounds may use WiFi where you connect and enter a key (password), just as you would with a home router. The thermostat would probably work in that situation.
I've been to campgrounds that allow 1 device to connect, or maybe 2. Another campground charges by the day or week, per device. Another campground has password-based access, but kicks you off every 2 hours and requires you to reconnect manually.
They're all different.