I was told by "Best Buy" that all ipad 2 (including the 3G version) would not receive gps satellites. In other words, if you are out on your boat, miles off shore, and there are no cell signals and no wifi signals available, that the Ipad 2 with 3g could not give a position fix based on gps alone. I'm told smart phone do because they are required by law to have gps capability due to the 911 system. I know best Buy is not the best authority on this question.