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How Do Cell Phones Work?

How do cell phones work?

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    Cell phone is nothing but a complex radio. Cell phone works on system identification code (SID) which is given by FCC. The cell phone picks up SID from the closest cell phone tower. When you speak into the head set the up-and-down sounds of your voice into a corresponding
    up-and-down pattern of electrical signals.

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    1 0

    Zuhail 

    answered 1 year ago

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