40 years of cell phone history

40 years of cell phone today!

 

April 3 1973. Motorola engineer Marty Cooper, the first public call made from a cell phone. Call to rival Research Department of Bell Labs data that has been received by the Joel engelku. Cooper then replied, ‘Joel, This Easy Marty, I’m calling you from a cell phone, a real-handled portable cell phone,’ I have been quiet. The world’s first cell phone is the Motorola 8000 dainatak X ‘(Motorola DynaTAC 8000x) .

 

Study of communication in the world, latest mobile phones. This small communication device in the second period held palm exactly adding bonds. Rich, poor people have cell phones.

In the year 1876… The world’s first telephone was invented  As a result of research by Alexander Graham Bell, another place to human speech listening. So starting today we are using the modern landline phones, telephone, evolution, and extended high-end smart phones. In 1947, the transistor was made available to the system. After this Telephone have new trends. The process of automatic redialing, number identification, call waiting, conferencing, and in addition to such features are added.

It is also semi-automatic service. Today we used a mobile phone to a cell phone, or cellular phone is also called Mobile phones, wireless phones, a distinction that card. Cordless phones will work within only a few meters Can only be used for normal landline only telephone conversation. Now the mobile phone has many features.

40 years of cell phone history