Resource title

SIC 4812 Radiotelephone Communications - Description, Market Prospects, Industry History

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The first wireless telecommunication services, apart from radio, were developed in the 1960s, and the first experimental cellular systems were installed in 1979. Even by 1985, only a few hundred thousand Americans were using cellular telephones.

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en

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text/html

Resource resource URL

http://www.referenceforbusiness.com/industries/Transportation-Communications-Utilities/Radiotelephone-Communications.html

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Copyright © 2011 Advameg, Inc.