Today people can live without food but they cannot live without mobile phones. Mobile phones have become like a body part to the people. They carry the mobile phones wherever they go(even to bathrooms). The first mobile phone was released in 1973 by Motorola Company. The idea of inventing the cellular phone was came by the invention of shore-to-ship radio communication invented by Reginald Fessenden in the second world war. He was called as the father of Radio- Broadcasting. He was a Canadian born in July 22,1932. The first Cellular phone was discovered by Joel Engel and Richard Frenkiel in the year 1971. Martin Cooper of Motorola was the one who made the first cell phone call to his rival Joe Engel of AT&T Bell Labs.
|
First Mobile Phone |
|
The first generation mobile phones worked with the FDMA technology. The first generation mobiles are large in size and heavy to carry. The 1G mobile phones are used only for the voice communication purpose.
|
Large Mobile Phone |
|
Mobile Phone shop in 1980's |
|
Mobile phone in 1980's |
The second generation mobile phones are introduced in the year 1991. The second generation mobile phones are worked with the GSM and CDMA technologies. The GSM technology was first introduced in Finland in the year 1991. The 2G network signals are digital where the 1G network signals are analog. Till date many countries are working with the 2G network. Many new features are invented in the second generation.
|
2G mobile phone |
|
Mobile Phone in 1991 with adapter |
|
1G and 2G mobile phones |
In nowadays we can connect to the internet with our mobile. Many Computer facilities have included to the mobile phones. With the Bluetooth technology we can share our files with other mobile devices.
The 3G mobile phones come with the features of mobile telephone, mobile internet, Video calls and mobileTV. The 3G mobiles can have have the internet connection downlink up to 56Mbps and 22Mbps in uplink. You can have the Video calls where you can see the other end talker in your phone.
The modern phones comes with the touch screen technology where everything in touch.
|
Upcoming 3G Mobile Phone from Nokia-N8 |
|
Reduction in Size of Mobile Phones |