The New Jersey Institute of Technology’s online Master of Science in Electrical Engineering program has created an infographic that traces the development of wireless technology from Gugliemo Marconi's wireless telegraph in the 1890s to the emergence of 4G technologies, followed by predictions for the coming decades.
http://electricalengineering.online.njit.edu/resources/infographics/the-evolution-of-wireless-networks/
New Jersey Institute of Technology’s Online Master of Science in Electrical Engineering