GSM:Global System of Mobile communication

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GSM:
          It stands for Global System of Mobile communication. It is the  type of network in which data is transmit in four different frequencies. Present GSM is Working on 2.7 GSM.

Mobile:
          It is the wireless device which is used to transmit the data (Voice, Text message, Multimedia message, E-mail etc.) from one mobile to another mobile.



Data transmit :The mobile is connect with nearest base station (Tower), all the data firstly transmit to base station then the satellite and at the end it reaches at other mobile
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