1. The main feature of 3G technology is that it supports greater voice and data capacity and high data transmission at low-cost. 3G mobiles can operate on 2G and 3G technologies.
2. The second major feature is the security: 3G offers greater security features than 2G like Network Access Security, Network Domain Security, User Domain Security, Application Security.
3. This technology provides localized services for accessing traffic and weather updates. Video calls and video conference is another major feature in 3G mobile technology. These features reduces the communication barriers between people, that were not sacked even with mobile phones.
4. Date transfer rates are high and can support even live TV channels over phone.
5. Online media is another exciting feature in 3G mobiles.
6. 3G mobiles highly attract the music lovers as they can listen to music and watch videos online and can download huge files with in less time.

Standards

1) CDMA 2000

2) WCDMA-UMTS

3) 3GTD-SCD

4) IMT2000