This document summarizes the evolution of wireless technologies from 1G to 5G. It discusses the key features and limitations of each generation of technology. 1G allowed analog voice calls with speeds up to 2.4 kbps. 2G introduced digital networks and text messaging with speeds up to 64 kbps. 3G enabled broadband connectivity for smartphones and data speeds from 144 kbps to 2 Mbps. 4G provided higher speeds from 100 Mbps to 1 Gbps for video calling and mobile broadband. 5G is expected to offer much higher speeds and capacity for new applications with speeds over 1 Gbps and support for wireless worldwide web. The document compares the technologies and concludes that 5G will provide a reliable wireless solution for the future