| Millions of people around the world use
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| | of cell phones, radio was sole the mode
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| the cell phone for communication. Cell
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| | of communication. The people who really
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| phones are used extensively for1.
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| | needed mobile communication used to
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| Communication2. Speed Text messaging3.
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| | install a radio device in a car and a
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| Internet Access4. Integrate other devices
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| | powerful antenna above it. The Antenna is
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| such as GSMs, PDAs5. CameraBut anyone
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| | the sole operator of radio. It snaps the
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| wondered how cell phones work? How small
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| | analog signals which are necessary for
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| equipment has the features like text
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| | communication. The only disadvantage of
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| messaging, internet access, to name a
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| | an antenna was it has to be installed in
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| few. Cell phone is nothing but a
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| | an open space which requires some
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| radio-sophisticated radio.Before the age
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| | financial investment.
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