This document discusses the evolution of wireless technologies from 1G to 5G. It provides an overview of each generation including key features and limitations. 1G allowed analog voice calls at speeds up to 2.4 kbps. 2G introduced digital networks at speeds up to 64 kbps, enabling texting and MMS. 2.5G brought speeds from 64-144 kbps and basic web browsing. 3G launched in 2005 and increased speeds to 2Mbps, allowing internet, video calls and mobile TV. 4G provided speeds from 100Mbps-1Gbps for high quality video streaming. 5G is expected to offer wireless speeds in Gbps for applications like wireless broadband. The document also discusses challenges in implementing self