Today anything measured below megabits per second is considered slow and even in technologically backward countries like Nepal, speed of a few hundred kilobytes can be obtained. The upper limit is also constantly being challenged and is now set at a whopping 500 megabytes per second achieved in January 2010 in Siemens labs. Some of the popular and beneficial modes of wireless communication in the computer industry are .  Fore Further Info Visit : The History Of Wireless World