What are the generations of mobile communication explain?

Wireless Fidelity(WiFi) came into existence in the late 1990s. Soon after, in the year 2000, Bluetooth was invented along with the release of the third-generation (3G) of mobile telephony . These two technologies revolutionized the way people shared messages, bringing more into the wireless world.

Each Generation is defined as a set of telephone network standards , which detail the technological implementation of a particular mobile phone system . The speed increases and the technology used to achieve that speed also changes.

The first handheld cellular mobile phone was demonstrated by John F. Mitchell and Martin Cooper of Motorola in 1973 , using a handset weighing 2 kilograms (4.4 lb). The first commercial automated cellular network (1G) analog was launched in Japan by Nippon Telegraph and Telephone in 1979.