Best thing that you can do in this case is obtain a hot spot device , it is in a dedicated phone line that is secure and operates any where that you have a cell phone signal, you are now self sufficient and do not depend so much on internet connections provided by parks, restaurants, cafes, etc.
We do use the net to either purchase items and have them delivered to the next camp ground or to check on the bank account and balance the check book, also to plan our next add adventure, we no longer have to be hunting for internet providers with weak or shaky signals.
navegator