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Fessenden achieves first wireless voice transmission
Reginald Fessenden
1900
Anglo-Icelandic radio telephone service inaugurated
Anglo-Icelandic radio telephone service inaugurated
1935
Hedy Lamarr patents Secret Communications System
Hedy Lamarr
1942
Video: Television and The Telephone, Microwave Broadcasting
Television and The Telephone, Microwave Broadcasting
1946
First mobile telephone service introduced, in St. Louis
First mobile telephone service introduced, in St. Louis
1946
Video: Western Electric Mobile Telephone Service video
Western Electric Mobile Telephone Service video
1947
Bell Labs launches Telstar, the first communication satellite
Bell Labs launches Telstar, the first communication satellite
1962
Early Bird: First commercial geostationary satellite
Early Bird: First commercial geostationary satellite
1965
Video: Moon Orbit Communications, Apollo 8 (AT&T)
Moon Orbit Communications, Apollo 8 (AT&T)
1970
Joel patents cellular call handoff
Amos E. Joel Jr.
1972
Cooper makes the first handheld cell phone call
Martin Cooper
1973
Video: Single Sideband, Microwave Transmission (AT&T)
Single Sideband, Microwave Transmission (AT&T)
1977
Video: Advanced Mobile Phone Service (AMPS)
Advanced Mobile Phone Service (AMPS)
1978
First trial of Bell Labs' cellular communication system begins
1978
First cellular test network
First cellular test network
1978
Bell Labs creates first single-chip digital signal processor (DSP)
1979
Nordic Mobile Telephone network launches
Nordic Mobile Telephone network launches
1981
Frenkiel helps launch commercial cellular service
Richard H. Frenkiel
1983
Siemens launches first mobile phone
Siemens launches first mobile phone
1985
McCaw builds the largest U.S. cellular carrier
Craig McCaw
1986
GSM specification completed
GSM specification completed
1989
First SMS Message sent
First SMS Message sent
1992