How is 3 G different from 2 G?

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