Cell Phone History

First US Patent for Wireless Phone

Mar 7, 1908

U.S. Patent Number 887357 for a wireless telephone, issued 1908 to Nathan B. Stubblefield of Murray, Kentucky.

Zero Generation of mobile telephones

Apr 12, 1945

In 1945, the zero generation (0G) of mobile telephones was introduced, but were not officially categorized as mobile phones.

Cells for mobile phones

Jun 7, 1947

The introduction of cells for mobile phone base stations was invented in 1947 by Bell Labs engineers at AT&T.

Touch-tone telephone is introduced

Oct 4, 1963

The touch-tone telephone is introduced, with the first commercial service available in Carnegie and Greensburg, Pennsylvania, for an extra charge. (Date not found exept year)

First call on Handheld Mobile phone

Apr 3, 1973

Motorola manager Martin Cooper made the first call on a handheld mobile phone on April 3, 1973.

First Commercil Cellular Network

Sep 12, 1979

First commercial cellular network was launched in Japan by NTT in 1979.

Nokia's First Mobile Phone

Apr 12, 1982

Introduced in 1982, the Nokia Mobira Senator was designed for use in cars. It weighed about 21 pounds.

Bell Labs invent Call Handoff

Apr 12, 1984

Bell Labs invented a "call handoff" feature, allowing mobile-phone users to travel through several cells during the same conversation.

Introduction of 2G Technology

Feb 13, 1990

he first digital cellular phone call was made in the United States in 1990. 2G phone systems were characterized by digital circuit, switched transmission, and the introduction of advanced and fast phone to network signaling.

First Digitial Cell Phone Call

Dec 11, 1990

The first digital cellular phone call was made in the United States.