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How Cell Phones Work
How Cell Phones Work
Millions of people in the United States and around the world use cellular phones. They are such great gadgets -- with a cell phone, you can talk to anyone on the... More »
Source: www.howstuffworks.com

en.wikipedia.org/wiki/Mobile_phone

A mobile phone is a portable telephone that can make and receive calls over a radio frequency .... Use of mobile phones also spawns a wealth of micro- enterprises, by providing such work as selling airtime on the ..... The company Fairphone has worked to develop a mobile phone that does not contain conflict minerals.

simple.wikipedia.org/wiki/Mobile_phone

Today there are mobile phones that work on two, three or four frequencies. The most ... It can slide out number keys or a mini keyboard, but some do both.

www.pongcase.com/blog/cell-phones-work

Dec 20, 2014 ... With worldwide mobile subscriptions estimated to be around 7 billion in 2014, cell phones have become a universal and indispensable tool for ...

www.physics.org/article-questions.asp?id=82

With the arrival of the mobile phone in the 1980s, communications were no longer tethered to homes, offices or payphones. But the really clever invention wasn't ...

radio-waves.orange.com/en/your-mobile/how-does-a-mobile-phone-work

To communicate with a mobile phone, it is necessary to be within range of the base station of one's operator and receive a radio signal of sufficient quality: this is ...

www.explainthatstuff.com/cellphones.html

Mar 17, 2016 ... A simple introduction to cellphones (mobile phones) and how they work.

.ask.com/youtube?q=How+Does+a+Mobile+Phone+Work&v=RhOKTHDHtho
Dec 18, 2012 ... An explanation on how cell phones work with my general knowledge and research. By: Raquel Gonzalez.

www.mat.ucsb.edu/~g.legrady/academic/courses/03w200a/projects/wireless/cell_technology.htm

The transmissions of a base station and the phones within its cell do not make it .... conversion and its importance to digital audio in How Compact Discs Work.

www.electroschematics.com/5231/mobile-phone-how-it-works

A mobile phone is an electronic device used for mobile telecommunications over a cellular ... Do not keep Mobile phone in wet area or use it with wet hands.