Date Added: Jan 2012
Since the introduction of cellular technology, which was called first generation or 1G, it has now gone through tremendous enhancements till the birth of 4G. The evolution of wireless or cellular technology could be divided into three phases. First, cellular technology was mainly used for basic communications such as voice calls and short messaging system. The prime objective was to have mobility where people can communicate anytime and anywhere. The rise in Internet services influenced the second phase of wireless technology. People started to have Internet connection while on the move where they can read and reply to email instantaneously and browsing their favorites websites.