Home > kursus teknisi handphone > INTRODUCTION 3G MOBILE PHONE


1G First generation wireless : analog cellphones 1xRTT CDMA Specifically,1xRTT (otherwise known as 3G 1x) represents one times radio transmission technology with 1.25 MHz channels. This technology supports peak data speeds up to 144 kbps, and up to a doubling of voice capacity. More..
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