6 Jan 1957 Jahr - Leonid Ivanovich Kupriyanovich creates the first experimental "mobile phone" with a 20-30 km reach and 20-30 hour battery. The focus is usually on the U.S. but this marks the start of the USSR's mobile phone, one that came before the prototypes in the U.S. (1957)

Beschreibung:

“Leonid Kupriyanovich.” Wikipedia, Wikimedia Foundation, 21 Sept. 2017, en.wikipedia.org/wiki/Leonid_Kupriyanovich.

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