3g

1. 3G Technology

2. What is Spectrum?
 Radio spectrum refers to a range of radio
frequencies.
 The bandwidth of a radio signal is the difference
between the upper and lower frequencies of the
signal.
 For example, in the case of a voice signal having
a minimum frequency of 200 hertz (Hz) and a
maximum frequency of 3,000 Hz,
 the bandwidth is 2,800 Hz (3 KHz).

3. What is 2G?
“Second-generation wireless
telephone technology”

4. Features…….
 Features includes:
- Phone calls
- Voice mail
- Receive simple email messages
 Speed: 10kb/sec
 Time to download a 3min MP3 song:
25-35 min

5. What is ………..

6. 3G Technology
 3G stands for Third-generation
wireless telephone technology
 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.

7. Where was 3G spectrum first
introduced?
 3G services were introduced in
Europe in 2003.
 Japan was the first country to
introduce 3G on a large commercial
scale. In 2005.

8. How 3G better than 2G?
 Quickly data can be sent and
received.
 40 times faster.

9. How 3G better than 2G?
 Send and receive video calls,
 Watch live TV,
 Access the internet,
 Receive emails and download music
tracks,
 As well as the usual voice call and
 Messaging services found on a mobile
phone

10. Features………
 Phone calls/fax
 Global roaming
 Send/receive large email messages
 Navigation/maps
 Videoconferencing
 TV streaming
 GPS

11. Features………
 Speed: 144kb/sec-2mb/sec
 Time to download a 3min MP3 song:
11sec-1.5min

12. In how many countries does
3G exist?
 There are about 60 3G networks
across 25 countries. In Asia, Europe
and the USA.

13. What is TRAI's
recommendation on 3G
pricing?
 The Telecom Regulatory Authority of India
has recommended auctioning radio
frequencies for 3G telecom services at a
reserve price of Rs 3,000 crore to companies
seeking to offer nationwide high-speed
Internet and streaming video.

14. Which companies got 3G
license in India?
 3G spectrum has been provided to
GSM players
 Bharti Airtel
 Vodafone Essar
 Bharat Sanchar Nigam Limited

15. What are the issues regarding
3G for providers and users?
 High spectrum licensing fees
 Huge capital required to build
infrastructure
 Health impact of electromagnetic waves.
 Prices are very high
 Will 2G users switch
 Takes time to catch up as the service is
new.

16. What is next?