Do You Know The History of Mobile Phones?

The history of mobile phones begins with early efforts to develop radio telephone technology and from two-way radios in vehicles and continues through emergence of modern mobile phones and associated services.
Radio phones have a long and varied history going back to Reginald Fessenden‘s invention and shore-to-ship demonstration of radio telephony, through the Second World War with military use of radio telephony links and civil services in the 1950s, while hand-held mobile radio devices have been available since 1973. Mobile phone history is often divided into generations (first, second, third Etc) to mark significant step changes in capabilities as the technology improved for these years.
Forward by OS-STORE.