1880 - Oliver Hevice patented coaxial cable in England (patent number 1407).
1884 - Werner von Siemens patented coaxial cable in germany.
1941 - in the United States, AT&T laid the first commercial coaxial cable. And in Minnesota, Minneapolis, to Wisconsin, history. The L1 system that it uses can hold a television frequency band or 480 telephone lines.
1956 - the world's first coaxial cable crossing the Atlantic - TAT-1 (Transatlantic No. 1) has been laid.
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