a chronological timeline of the major events in mobile phone history

Philco did not observe "model years" until June 1934, which marked the introduction of their 1935 model lineup. Normally, Philco introduced a new radio line ... When Radio Was. Radio Spirits' nationally syndicated radio program hosted by ... Radio's premier horror series was created by writer/ director Wyllis Cooper. The walkie-talkie was first invented in 1937 by the Canadian Don Hings, with ... Hings created his portable radio signalling system when working for CM&S. Mar 18, 2022 ... These sets were created by the ... It's believed that over 175,000 of these sets were sold in the year the group was active (1944–45). ... years old. Although not that commonly used in the modern times, the term has ... The invention, growth and expansion of radio technology caused a ... Mar 29, 2025 ... Where was radio invented? The first practical wireless radio ... Radio's early years. Reginald FessendenReginald ... Jun 10, 2019 ... Part One: The Goat Testicle Implanting Doctor Who Invented Talk Radio ... I mean, what year was this? I mean this is nineteen eighteen? Wow ... The four chief players in American radio's early years, Marconi, Canadian-born Aubrey Fessenden, Lee deForest, and John Stone Stone [sic] were all inventor/ ... In 1893 the inventor Nikolai Tesla demonstrated a wireless radio in St. Louis, Missouri. Despite this demonstration, it was Guglielmo Marconi who is often ... Jun 3, 2017 ... Commercial broadcasting didn't start until 1920, but the University of Wisconsin was experimenting with wireless transmission and in December ...