I have been contemplating, and researching this for 3 months now. Basically I want to be able to access my wireless network at home while I am at school, which is about 2.5 miles away. THe reason for that is because I dont have internet access at my college. What exactly is Dbi, and how do you know the range for them? Also, the only wireless routers I have right now are BEFW11S4, and I hate them. Any recommendations along with a good omni directional (This is the kind of antennat I need for my setup) antenna to use for that range?