Most new mobile phones can access the internet. However, the quality of your browsing experience is dependent on a number of factors, the most crucial of these being the connection speed that your phone is capable of. There are four main types of web connection now available to mobile phone users: GPRS, EDGE, 3G, and HDSPA.
GPRS(General Packet Radio Service) is the slowest type of web connection available to mobile phone users, at a rate of 128kbps, which is the equivalent of dial up. The next step up is EDGE (Enhanced Data rates for Global Evolution), which at 236kbps is almost double the speed of GPRS.
Phone cell internet access
GPS Navigation Systems
The Global Positioning System (GPS) is a global navigation satellite-based 
navigation system designed by the US department of defense and managed by the US Air Force 50th Space Wing. GPS was originally developed to be used for military purposes, however, in the 1980s, the US government made the use of the system to be free for everyone, anywhere for navigation purposes. Its official name is . It uses a constellation of between 24 and 32 medium Earth orbit satellite that transmits precise radio wave signals, which allow GPS receivers to determine their current location, time and their velocity in any kind of weather.
