Mobile Phone. How Stuff Works


A Mobile phone is an electronic device used for mobile telecommunications over a cellular network of specialized base stations known as cell sites. A cell phone offers full Duplex Communication and transfer the link when the user moves from one cell to another. As the phone user moves from one cell area to another, the system automatically commands the Mobile phone and a cell site with a stronger signal, to switch on to a new frequency in order to keep the link.

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