All of the major operators started 3G UMTS in the 2100 MHz band. Operators have also started re-farming their 900 MHz band (which is a frequency band of GSM) to use it for UMTS. Airtel, Idea is also using 3G UMTS in 900 MHz, for some of the circles.
All of the major operators started 3G UMTS in the 2100 MHz band. Operators have also started re-farming their 900 MHz band (which is a frequency band of GSM) to use it for UMTS. Airtel, Idea is also using 3G UMTS in 900 MHz, for some of the circles.