Wireless communication systems

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).”

1896 – The wireless telegraph is invented Guglielmo Marconi developed the first wireless telegraph system in 1896. The following year Marconi sent the world’s first ever wireless communication over open sea. The experiment witnessed a message travelled over a distance of 6 kilometres (3.7 mi).