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radiotelephony

An earlier term for wireless voice systems. See mobile telephony.



mobile telephony

An umbrella term for non-stationary telephone service such as in a moving vehicle. Two-way radios were conceived shortly after the turn of the 20th century and were in use during World War I. Police patrol car systems began in the 1920s in the U.S. with proprietary two-way radio systems proliferating for various purposes over the next 50 years. General-purpose cellular systems came on the scene in 1979 in Japan, followed by the U.S., Canada and Europe in the early 1980s. See cellular generations and wireless broadband.



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Before/After Your Search Term
BeforeAfter
Radio Shackradiovision
radio signalRADIUS
radio spectrumradix
radio waveradix point
radio webcastingRADSL
radiolocationRAFT
radiophonerage
RadioShackragged right
radiosityRAID
radiotelephoneRAID 0

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