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Cellular telephones systems are based on cell technology. The cell is the standard unit that covers a “geographic area in which there is radio coverage by a particular cellular phone system. The size of any given cell within a system depending on the geography of the cell.” W. Steward. Geographical area is important to wireless devices because they have to send and receive from the antennas that they connect to the cellular system. Signals used by the cellular devices do not have high power but low power base being affected by the terrain in and around the cell area. It is important to know the number of wireless devices that can be supported by a cell because every cell area is limited