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In 1908 a Professor Albert Jahnke and the Oakland Transcontinental Aerial Telephone and Power Company claimed to have developed a wireless telephone. They were accused of fraud and the charge was then dropped, but they do not seem to have proceeded with production
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In 1908 a Professor Albert Jahnke and the Oakland Transcontinental Aerial Telephone and Power Company claimed to have developed a wireless telephone.
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martin cooper invented the first mobile phone Analog Motorola DynaTAC 8000X Advanced Mobile Phone System mobile phone as of 1983
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from old cord home phones to advanced wireless cell phone
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in 1972 rival joel did the first call ever
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invented by seimens corporations The R380 featured a black and white touchscreen, partially covered by a flip.
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the iphone 5s is now one of the newest phones
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the galaxy note 3 is the newest bigger version of the galaxy 3