It is the third generation of mobile standards,
which has the ability to transfer simultaneously, voice, packet based transmission of text, high speed internet access, Digitized video and multimedia. Thus, the 3G handsets include camera, music player, video players, web browsers etc. It will be wide area cellular network to incorporate high speed broadband access to large number of customers as it will use 5 MHZ channel carrier frequency optimizing the use of resources the speed of 3G is 2Mbps.
This third generation mobile phone standard is based on the International Telecommunication Union family of standards, under the International Mobile Telecommunications Programme-2000. The 3G technology enable network operators to offer users a wide range of more advanced services while achieving greater network capacity through improved sectoral efficiency.
Services under 3G include wide-area wireless voice telephony, video calls and broadband wireless data, all in a mobile environment. It is also wide area cellular telephone networks with high speed internet access and video telephony. It offers 3 Mbps speed for downloading which is very high as compared to that of 2G technologies. However, the 3G technology was implement ted in Japan for the first time in the world and now serving world over. Video conferencing has been a major factor in the success of the technology.