{CDMA} (CODE DEVISION MULTPLE ACCESS)

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(THE THIRD GENERATION MOBILE PHONE TECHNOLOGY 3G TECHNOLOGY). In 1980 when number of subscriber of cell phone start increasing, it is necessary to hit 3G cell phone in the market which often confuse the market position of cell phone that was called 3G (CDMA technology). This technology was first used by American alliance over northern alliance. They spread different frequency at a same time which was unpredictable by the radar of an enemy, It is based on spread spectrum technology. It cover wide area in comparison with GSM mobile phone .In CDMA mobile phone we get both calls and message at same time. But we didn’t get same feature in (GSM) mobile phone. In spite of this still the no. of user of CDMA become much lesser then GSM user. If you want any further information regarding above said then reply me with your queries .