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GPRS and 3G tecnology-
General packet radio switching (GPRS) mobile data service a mobile communication (GSM) for Global System for users of mobile phones and is 136. While the traditional circuit switching data communication through connection to the minute, even if the user actually transferred data or a waste in the state has been billed General Packet Radio Service data is usually per megabyte of data is transferred. GPRS services for the wireless application protocol (WAP) such as access, Short Message Service (SMS) can be used, Multimedia Messaging Service (MMS) and Internet communication such as e mail and World Wide Web access.

GPRS is a packet that multiple users the same broadcast channel, send data only when they are ready to access the transmission means is switched. Thus, the total bandwidth available immediately in the fact that people are sent to a certain time may be available for, the higher use where users only send or receive data intermittently. They come in the form of a message and immediately apply that data transmission is intermittently example, the receiving e – mail on the Internet surfing, for the share of available bandwidth.

As with GPRS, 3G is a wireless communications service. 3G third generation of ITU specification for a (first-generation analog mobile phone, digital PCS was the second) of mobile communication technology. 3G promises bandwidth, up 384 Kbps when a device is stationary or pedestrian speed, 128 Kbps in a moving car, and 2 Mbps for fixed applications increased. 3G GSM, CDMA and TDMA wireless interface on the air will be like. This “always give you that your Internet Tablet or notebook PC and mobile phone connection to use for continuous’ on.