GPS is Global Positioning System consists of a set consisting of 24 satellites orbiting the planet and make it possible for
people who have ground
receivers to determine their geographical location is determined by the accuracy of the Site at any place at about 100 to 10 meters for most of the reception equipment, the sense that it can be determined place the person in a radius of 100 to 10 meters, but can also increase the degree of positioning or location of a person in a radius of 1 meter to equipment or receivers and GPS devices are used extensively in the areas of scientific basis, but now has turned very low cost to buy Many of the people and thus they had the receivers GPS.
The term is a GPRS data transmission services of public radio waves which is a wireless communication service to
transfer data transfer data at speeds ranging between 56 to 114 kilobytes per second through a persistent connection to the Internet and allows high data transfer rates for users to participate in video conferences and interact through Web sites that contains a multimedia communication such as voice and video as well as similar applications that deal with mobile devices such as Iphone