For those who need/want to keep in touch while in the boonies, you might consider a signal booster. I get zero, maybe one bar out in the mountains at the hunting cabin. But with the booster I'll get 3-4 bars and my iPhone works as normal with Verizon. I also bought the 12V power supply and unit works equally well in weak areas while in the vehicle or on the ATV. I have no affiliation with Wilson.
http://www.wilsonamplifierstore.com/...FUdn5Qod501qrA