1G networks used are analog; 2G networks are digital and 3G technology is used to enhance
mobile phone standards. 3G helps to simultaneously transfer both voice data (a telephone call) and
non-voice data (such as downloading information, exchanging e-mail, and instant messaging.)
The highlight of 3G is video telephony.
3G spectrums have been provided to GSM and CDMA players like BSNL, MTNL, Bharti, Reliance,
Tata and Vodafone. GSM players operate on 900 MHz and 1,800 MHz, while CDMA players operate on 800 MHz.
mobile phone standards. 3G helps to simultaneously transfer both voice data (a telephone call) and
non-voice data (such as downloading information, exchanging e-mail, and instant messaging.)
The highlight of 3G is video telephony.
3G spectrums have been provided to GSM and CDMA players like BSNL, MTNL, Bharti, Reliance,
Tata and Vodafone. GSM players operate on 900 MHz and 1,800 MHz, while CDMA players operate on 800 MHz.