How is 3G different from 2G?

Correct Answer: - Packet data speed is higher in 3G, and it is up to 384 KBPS - Voice and sms speed is also 384 KBPS in 3G - 2G utilizes different switching techniques for voice and data, where as 3G uses single switching, irrespective of data - 3G has at least 2MB of data link of a mobile, where in 2G the data rate is in KBPS - 3G has WiMAX facility for faster VOIP and internet - 2G uses GSM TDMA technology with narrowband 200Khz - 3G uses CDMA technology with broadband 5Mhz, with same frequency carrier and time