Here is how to boost your internet signal or extend your wifi signal by using just a foil and Ez-12 Parabolic Reflector. You can get the Ez-12 Parabolic Reflector template at http://www.freeantennas.com/projects/template2/index.html. This thing really works it really boost the signal of my wifi. I wasnt able to get a very good signal before in my room but now I’m getting a strong signal. You should try it, it really works.