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The first intentional transmission of signal was performed by David Edward Hughes
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Guglielmo Marconi built the first commercially successful wireless telegraphy.
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Guglielmo Marconi extended the height of the antenna and got a farther signal up to 2 miles.
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Guglielmo Marconi created a radio station in England and won a nobel prize.
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Brazilian priest Roberto Landell de Moura transmitted the first human voice wirelessly half a mile.
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The Slaby-Arco wireless system was made by Adolf Slaby and George von Arco.
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The first radio news program was aired by station 8MK.
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The Regency company introduced a pocket radio powered by a standard 22.5 V Battery.
