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Radiotelephone - Wikipedia
A radiotelephone (or radiophone), abbreviated RT, is a radio communication system for conducting a conversation; radiotelephony means telephony by radio.
https://en.wikipedia.org/wiki/Radiotelephone -
Description for 4812: Radiotelephone Communications - OSHA
Establishments primarily engaged in providing two-way radiotelephone communications services, such as cellular telephone services.
http://www.osha.gov/sic-manual/4812 -
Rural Radiotelephone Service | Federal Communications Commission
Rural Radiotelephone spectrum is used to provide basic, analog, telephone service to subscribers in locations deemed so remote that traditional wireline ...
https://www.fcc.gov/wireless/bureau-divisions/mobility-division/rural-radiotelephone-service -
Radiotelephony procedure - Wikipedia
Radiotelephony procedure (also on-air protocol and voice procedure) includes various techniques used to clarify, simplify and standardize spoken communications
https://en.wikipedia.org/wiki/Radiotelephony_procedure
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