I don't have a cellphone and am not planning on buying one anytime soon. Our car has a built-in phone that is a very handy device when we are on the road. Besides, most of the time, my hubby and I stay at home because my hubby is now retired and I work out of our home. Our car phone is a satellite phone so we don't have problems when it comes to getting a signal. If you have a cellphone, you should think about getting wi-ex boosters. Signal boosters are helpful, especially for people who live in areas where their signals are weak.