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How Cell Phones Work
Beginning of paper
Each day about 30,000 people in the United States sign up for and start using a cellular phone. Therefore it is likely that you or someone you know has a cell phone and uses it on a regular basis. They are such great gadgets - with a cell phone you can talk to almost anyone from just about anywhere, because about 80% of the U.S. has cov .... Middle of paper
.... much higher power, can transmit perhaps 5 miles. Someone using a cell phone, on the other hand, can drive clear across a city and maintain a conversation the entire time. Cells are what give a cell phone its incredible
range (Anonymous #2).
The genius of the cellular system is the realization that a city can be chopped up into small cells, and that the cells allow extensive frequency reuse across a city. Frequency reuse is what lets millions ....
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Number of words: 999
Number of pages: 4 (approx. 250 words per double-spaced page)
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