Outside interference: Trees, hills, mountains, valleys, and tall structures like buildings and urban crowding.It has to wrestle with many types of interference: The Problem:įirst, let's explain why you're getting low bars and poor reception.Ĭell phone signals are radio waves that span great distances but are interrupted by almost everything under the sun. Of course, you'll only get strong 3G and 4G LTE if (and a big if) you're getting very good signal from the cell tower.Īnd if you're reading this article, then most likely, you're looking to boost your poor cell signal. AT&T is the 2nd biggest cell phone carrier in America with the strongest 4G LTE network in the nation.
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