History of mobile phones | What was the first mobile phone?
Mobile telephone | Definition & History | Britannica
Smartphone | Camera, Battery Life & Storage | Britannica
History of mobile phones | What was the first mobile phone?
First-ever mobile phone call made 50 years ago today
History of mobile phones | What was the first mobile phone?
Motorola Timeport L7089 mobile phone, 1999-2002 | Science Museum Group Collection
A (Mostly) Quick History of Smartphones - Cellular Sales
MiniVision2+ Mobile Phone - Sight and Sound Technology
The invention of mobile phones | Science Museum
Motorola StarTAC mobile phone, 1997. | Science Museum Group Collection
History of mobile phones | What was the first mobile phone?
Trehan Mobile Care - The first handheld mobile cell phone was demonstrated by Motorola in 1973. The first commercial automated cellular network was launched in Japan by NTT in 1979. In 1981,
Expenditures on cellular phone services have increased significantly since 2007 : Beyond the Numbers: U.S. Bureau of Labor Statistics
Cellular Telephone Basics by Tom Farley: http://www.privateline.tv