The Invention of Mobile Phone

Motorola invented the world's first handheld mobile phone in 1973 and launched the first commercial handheld mobile phone, the Motorola DynaTAC 8000X, in 1983, marking the beginning of the modern mobile phone era. Its invention completely changed the way people communicate, making it possible to talk anytime, anywhere.

The unit is designed for unsupervised public use: controls are recessed or shielded, moving parts are enclosed, and the interface is operable by a child of about six with no instruction. Where a screen is used, the language can be switched without changing the hardware, and the content can be replaced on site.

On April 3, 1973, just 43 years ago, Marty Cooper, an engineer at Motorola, took out a mobile device on the street that weighed 2.5 pounds (1.1 kilograms), was 9 inches (22.9 centimeters) long, and 5 inches (12.7 centimeters) thick - Motorola's early DynaTAC phone. He pressed the 'off hook' button on the street and made the first call to Bell Laboratories. The first traditional mobile phone was born in this way. Of course, this is still a bulky phone that requires 10 hours of charging and 20 minutes of talk time. It's probably "talk for 5 minutes, charge for 2 hours". It has no screen, only three functions: speaking, listening, and dialing.