Yes, WiFi extenders can most definitely work in RVS! In fact, they can be incredibly helpful in ensuring that you have a strong and reliable signal no matter where you are inside your RV. There are a few things to keep in mind when using a WiFi extender in an RV, however. First, make sure that the extender is compatible with the RV's electrical system. Second, be aware of any potential interference from other devices or appliances inside the RV. And finally, make sure to position the extender in a way that will maximize its coverage area. With those considerations in mind, there's no reason why a WiFi extender can't be a hugely valuable addition to your RV setup!