Information about type of G Networks

1G

·        Started in USA
·        Started off in 1980 used till 1992-93
·        First wireless technology
·        Speed 2.4 Kbps
·        No roaming
·        Poor quality voice
·        Battery consumption high, heavy phones
·        Based on Analog signal

2G

·        Started in 1991 at Finland
·        First GSM , Global System for Mobile communication
·        Digital signal used first time
·        Calls, picture messages, Multi media message started
·        Less battery consumption
·        Speed 236 Kbps

3G

·        Started in 2001 at Japan
·        For text , photos and video, mobile TV and video conferencing
·        Data speed 4 M bits / sec
·        For data transfer
·        Safe encrypted  data transfer
·        21 Mbps down load
·        5.7 Mbps upload

4G

·        Started in 2000
·        100 Mbps to 1 Gbps data transfer
·        Support global roaming
·        Cheaper than 3G
·        More security than 3G
·        Consumes more battery
·        Many type of hardware
·        Handsets expensive

5G

·        Started by 2010, implement by 2020
·        Speed more than1 Gbps
·        In concept stage
·        Data transfer in real time
·        New way for Augmented reality, like talking face to face
·        Down load 30 movies in 1 sec
·        Developed by University of Surrey UK
·        Faster by 60,000 times than 4G