January 11, 2010


Posted in Uncategorized at 2:44 am by grace

Generally touch phones or mobile phones are a device, which is mainly used for voice communication. These devices are only useful when it is linked with a network and receive a service signals from respective operator. So these mobile phone or touch phones are coupled with variety of network technologies and the available network services.

First generation: called 1G or first generation and capable to carry out voice signals only, that too in analog mode. These technologies always struggled for required signals, and they reflect it on their quality.

Second generation: it has been called as 2G or second generation. Against of analog signals in first generation, it has been operates by digital signals which is quite good when compared to analog one.

Extension of 2G: this is called as “second and half generation” or 2.5G. This network is operated by packed switch infrastructure which is always available with the combination of internet connection. In this 2.5G network data handling is comparatively high speed than second generation technology. With this technology, no need to wait for a modem to dial and connect. This technology supports many multi media applications such as MMS [multi media messaging service], e-mail, web browsing. This 2.5G technology has been widely used all over the world by various providers.

Third generation (3G): it has been called as 3G or third generation, which is advanced one in the current world. This advanced technology provides very fast data access to their touch phones. By this technology we can avail streaming of audio and video files on our 3G touch phones. Now many providers offered 3G service to their respect touch phones hand set.

Touch phones are now leading in this network technology with its 3Generation or 3G application. But with in very short time we can avail 3.5G technology in our touch phones. If it happens, then it could be most valuable feature of touch phone


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