There are many other options that you can consider. One option for an extended stay overseas is to get a mobile hotspot device. This will give you a portable, personal Wi-Fi connection that you can take with you wherever you go. You can connect multiple devices to the hotspot and use it for internet access, but it will be slower than a broadband connection. Another option is to get a prepaid SIM card for your phone and use it for data. This can be a good option if you only need internet access on your phone and you don't mind slower speeds. Also, you can use https://www.freetour.com/berlin to make a plan of locations you will visit and note down the places with free internet. I used it when travelling to Berlin. Good luck with your trip, and have fun! ... View more