1864 – Maxwell’s Equations: theoretical basis for electromagnetic waves 1888 – Heinrich Hertz produced and detected RF electromagnetic waves 1893 – Nikola Tesla demonstrated the feasibility of wireless communications 1897 – Marconi built first radio station on Isle of Wight 1906 – First radio program broadcast 1908 – First wireless phone patent issued 1920 – First radio news program 1928 – First television broadcast 1945 – “0G” mobile phones introduced – These were not “cellular” 1947 – Cellular basestations invented for military communications 1954 – Pocket transistor radio produced 1963 – TELSTAR (radio communications satellite) launched 1970 – First wireless computer network developed 1973 – Motorola invented first handheld mobile phone 1979 – Introduction of “1G” analog cellular systems 1984 – First US cellular phone approved by FCC 1987 – GPS system launched 1991 – First “2G” system launched (GSM) 1999 – Wireless LAN became commercially available 2001 – First “3G” system launched (WCDMA/FOMA) Today – Continued Roll Out of 3G, Planning for 4G and Beyond -- 我渴望能见你一面，但请你记得，我不会开口要求要见你。 这不是因为骄傲，你知道我在你面前毫无骄傲可言， 而是因为，唯有你也想见我的时候，我们见面才有意义。 --

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