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Technology In The Air

Tag: mobile

How does cellphone work? Why is it called a “cell” phone? | Explanation of Tech2K 

Walking around and talking, working to talk, always talking about each other, and never going out of reach – the cellphone has changed our life and the way it works in a dramatic way. There are more than 7 billion cellphone subscriptions all over the world – more than the total population of the world. […]

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