2g, 3g and 4g technology

2g, 3g and 4g technology

2g and 3g technologyThe cellular Network Generations
The following chart provides a high level look of the evolution of the cellular networks. Note that this chart
reflects maximum potential data rates; actual user experience is lower. all networks listed in this chart are
not deployed as of the release of this paper.

Specifications

Protocol

Maximum Speed

Features

1G analog networks

AMPS

N/A

  • Voice service only (analog)
  • No data service

DataTAC

fdma

Mobitex

nmt

TACS

2G

cdma

Up to 20Kbps

  • Digital voice service
  • Push-to-Talk (PTT)
  • Short Message Service (SMS)
  • Conference calling
  • Caller ID
  • Voice mail
  • Simple data applications such as email and Web browsing

GSM

iDEN

PCS

tdma

2.5G

CDMA2000 1xRTT

Up to 144Kbps (typical 60-80Kbps)

All 2G features plus:

  • MMS (Multimedia Message Service)
  • Web browsing
  • Real-time location-based services such as directions

Basic multimedia, including support for short audio and video clips, games and images

GPRS

Up to 114Kbps (30-40Kbps)

HSCSD

Up to 64Kbps

EDGE

Up to 384Kbps

WiDEN

Up to 100Kbps

2.75G

EGPRS2

473Kbps (uplink) to 1.2Mbps (downlink)2

Better performance for all 2/2.5G services

3G (DSL speeds)

CDMA2000 EVDO (data only) Rev 0

Up to 2.4Mbps

Support for all 2G and 2.5G features plus:

  • Full motion video
  • Streaming music
  • 3D gaming
  • Faster Web browsing

CDMA2000 EVDV (simultaneous voice and data)

Up to 2.4Mbps

UMTS

Up to 2Mbps

wcdma

Up to 2Mbps

CDMA2000/ EVDO-Rev A

Up to 3.1 Mbps

3.5G (cable speeds)

HSDPA

Up to 14.4Mbps

Support for all 2/2.5/3G features plus:

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

CDMA2000/ EVDO Rev B

Up to 46Mbps

4G (wired network­ing equivalent)

WiMAX

100+Mbps

Support for all prior 2G/3G features plus:

  • High quality streaming video
  • High quality videoconferencing
  • High quality Voice-over-IP (VoIP)

UMB

35Mbps

LTE

100Mbps

 

 

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Hamza Basharat

Hi. I'm Hamza Basharat, I love to find solutions and help people. I'm a senior writer at TheHelptimes and AboutEngg, and currently studying computer engineering.