top button
Flag Notify
    Connect to us
      Facebook Login
      Site Registration

Facebook Login
Site Registration

What is difference between 2G, 3G and 4G

+1 vote
50 views

What is difference between 2G,3G and 4G

posted Apr 18, 2018 by Vishnu Vardhan Reddy

Share this question
Facebook Share Button Twitter Share Button LinkedIn Share Button

1 Answer

0 votes

G means generation.

2G is migration from analog to digita and supports only voice (Those could do data but only as analog modem (using the whole channel) at 9.6Kbps)
Technology: GSM, D-AMPS, PDC

2.5G added dedicated digital data (GPRS)

3G is all digital with the support of data but still circuit switched
Technology: UMTS / WCDMA, EvDO

3.5G faster data, added true always-on / packet data (HSPA) with data rates of 2Mbps of Mbps

4G wireless broadband with Pure data: voice as VoIP
Technology: OFDMA (LTE & WiMAX) with data rate 10 Mbps - 100 Mbps

4.5G term not widely used but some people say that is LTE-Advanced

5G: not yet defined

answer Apr 22, 2018 by Salil Agrawal
Contact Us
+91 9880187415
sales@queryhome.net
support@queryhome.net
#280, 3rd floor, 5th Main
6th Sector, HSR Layout
Bangalore-560102
Karnataka INDIA.
QUERY HOME
...