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Cell in the context of mobile communication refers to a geographical area covered by a cellular network, typically served by a single base station or cell tower. Each cell operates on a specific set of radio frequencies and connects mobile devices within its range to the network, enabling voice calls, text messaging, and data services. The entire cellular network is made up of many overlapping cells that work together to provide seamless coverage, allowing users to move between cells (a process known as handoff or handover) without losing connectivity. This structure is fundamental to the functioning of mobile networks like 3G, 4G, and 5G.
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