GPS - Global Positioning system, enabled by global navigation satellites that send radio waves, allows receivers to determine current position on the planet.
GPRS - General Packet Radio Service. This is the technology used by 2G mobile GSM phones to connect to the internet at a speed of 56 to 114 kilobits per second.
EDGE - Enhanced Data Rates for GSM Evolution. This is slightly faster enhanced GPRS technology used by 3G mobiles. EDGE phones offers faster internet connectivity and best suited for running applications.
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