Re: Cell Phone not invented 106 years ago (320270) | |||
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Re: Cell Phone not invented 106 years ago |
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Posted by Olog-hai on Wed May 21 22:26:05 2008, in response to Re: Cell Phone not invented 106 years ago, posted by SelkirkTMO on Wed May 21 21:14:38 2008. didn't work at radio frequencies at all"Radio frequencies" are just a certain set of kilohertz and megahertz on the EM spectrum. If you can transmit yer voice using EM waves, it's radio of some kind. |