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Problems with Early Radio Telephones
The problem with early radio telephones was that they quickly ran out of available frequencies, i. ...
At first the speech was analog, and the logic to manage the switchover was digital (i. ... A true all-digital cell phone, however, would also represent the speech as a series of numbers, i. ... A cell phone which also digitizes the speech improves the sound quality, gets rid of static on the line, and incidentally, increases the battery life by 3 to 5 times. (Also see the article on the difference between analog and digital systems.)
Since also making the speech digital was even more complicated than just making the switchover digital, the true all-digital cell phone had to wait for microprocessors to get smaller and more powerful. ... The Multiple Access part simply means that many people can use the system at once, i. ...
Advantages of CDMA Digital Cell Phones
If you wish the best digital performance, long battery life, and the fewest dropped calls, I recommend CDMA digital cell phones. ... Also see the page, Choosing a Cell Phone. ... Also see the page on satellite phones
Who Invented the Cell Phone? ... Also see the the About. ...
Finally the explosion of cellular technology which we now see around us today was caused by the Microprocessor, i.
Approximate Word count = 1306
Approximate Pages = 5.2
(250 words per page double spaced)
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