Wireless communication systems

In 1864, James Clerk Maxwell postulated wireless propagation, which was verified and demonstrated by Heinrich Hertz in 1880 and 1887, respectively. Marconi and Popov started experiments with the radio-telegraph shortly thereafter, and Marconi patented a complete wireless system in 1897 .

Jagadish Chandra Bose , the Indian scientist who pioneered wireless communication in the 1890s.

“The world’s first wireless telephone conversation occurred in 1880, when Alexander Graham Bell and Charles Sumner Tainter invented and patented the photophone , a telephone that conducted audio conversations wirelessly over modulated light beams (which are narrow projections of electromagnetic waves).”