Communication Generations

15 Nov

While an acronym sometimes is techno babble the layperson needn’t master, others are important for everyday cell phone understanding.
Though the jargon 1G, 2G, 2.5 and 4G might not have ever popped into your head, 3G very likely has given today’s emphasis on high-speed data usage from your mobile phone.
But what’s different between these technologies and how do they impact you? This article will help you understand the differences between 1G vs. 2G vs. 2.5G vs. 3G vs. 4G.

1G (First Generation)

1G is analog

2G (Second Generation)

Designed for voice communication, voice converted to digital

E.g. Combined TDM/FDM (IS-136), GSM, IS-95 CDMA

2.5G (transition from 2G to 3G)

Enable data transmission over 2G

E.g. GPRS, EDGE, CDMA200 phase 1

3G ( Third Generation)

Voice and Data transmission at higher speeds than 2G, e.g. Full motion video, Streaming music, 3D gaming, Faster Web browsing

E.g. UMTS, CDMA2000

3.5 G ( Transition from 3G to 4G)

On-demand video, Video conferencing, Faster Web browsing (especially graphics intensive sites)


4G ( Fourth Generation)

High quality streaming video, High quality video conferencing, High quality Voice-over-IP (VoIP)

1 Comment

Posted by on November 15, 2010 in Acadamic


One response to “Communication Generations

  1. uebernachtung guenstig

    December 10, 2010 at 7:12 pm

    Extremely valuable information. Thankx.


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