The cell phone (mobile) invent by Martin Cooper.
Martin Cooper is an American engineer. Martin Cooper is considered the "father of the mobile".
While at Motorola in the 1970s, Cooper invented the first handheld cellular mobile phone in 1973.
1G First Generation of mobile phone
The first handheld mobile phone device was demonstrated by MOTOROLA in 1973.
The first commercial automated cellular network was launched in Japan by NTT in 1979.
First Generation (1G) system could support far more call but still used analog technology.
Basic Mobility
Basic Services
Incompatibility
Analog System
2G Second Generation of mobile phone
2G technology refers to based on GSM. 2G technology was launched in Finland in the year 1991. 2G technology network used a digital signal. It is data speed 64kbps.
GPRS-General Packet Radio Service
Features of 2.5G:-
Enhance 2G signal
Higher data speed
EDGE-Enhanced Data rates for GSM Evolution, EDGE is also known as Enhanced GPRS (EGPRS)
3G Third Generation
3G refers to Third Generation technology which was introduced in the years the 2000s.
Data transmission speed increased from 144kbps to 3mbps.
Enhance voice, data, and video signal speed.
Video calling/ Internet surfing
Network technology: 3G, W-CDMA, UTMS
Features of 4G Network
Support multimedia services like video conferencing and wireless internet IP(Internet Protocol) based mobile systems.
Global mobility and service portability
High Internet speed
Wider bandwidth and higher bitrates
Tight network security
This Network provides internet speed faster & better.
LTE: -Long Term Evolution
VOLTE:-Voice Over Long Term Evolution
Fifth Generation Network Technology
Under Trial & Testing
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