Wireless Technology refers to the transfer of information without the use of electrical conductor wires. Radio spectrum is the key to the development of modern age cellular networks and broadband internet. Several types of wireless networks depending on range, speed and efficiency are implemented, be it to a desktop, one floor of office space, an office building or networks across states, countries and continents.

1. 0G 1940
A B R I E F H I S T O R Y O F
TELECOM
NETWORK
1G 1980
Radio Telephones
No Handover feature
Installed in Vehicles
Used in World War II
2G 1990
Digital Technology
SMS, Picture Messaging & MMS
Call and Text encryption
Speed: 64 kbps
Analog Technology
Voice only
Poor Battery Life
Unsecured
Speed: 14.4 kbps
Wireless Technology refers to the transfer of information
without the use of electrical conductor wires. Radio
spectrum is the key to the development of modern age
cellular networks and broadband internet
3G 2003
Mobile Internet
Video Calls
Video Conferencing facility
Speed : 2 Mbps
4G 2009
Improved Download and Upload
speeds
Crystal clear voice calls
Gaming, HD Mobile TV, Video Calls
3D TV
Speed: 100Mbps -1Gbps
5G 2020
Superior spectral efficiency
< 1 millisecond of latency
Multiple wireless sensing connections
Speed: 1Gbps-100Gbps
2050
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