Cellular Phones 101 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 coverage (Dang). But have you ever wondered how …
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showed last 75 words of 1002 total
…voice into digital 1s and 0s. This compression allows between 3 and 10 cell phone calls to occupy the space of a single analog voice call. PCS digital phones also offer other features like paging and email (Anonymous #1). The next time you pick up and use a cell phone - especially one of the new tiny ones that fit into your shirt pocket - keep in mind all of the technology packed into that amazing little device!