How a mobile phone makes a call?

For most of us, a mobile phone is a part of our lives, but I am sure your curious minds have always been struck by such questions as to how a mobile phone makes a call, and why there are different generations of mobile communications.

This video explore the technology behind mobile communications with great animations to make it easy to understand. Enjoy.

In addition to how the cell phone makes a call, the video also explains important concepts (such as the Location Update) in a very simple way, essential concepts to understand how cellular networks work and need to be understood.

Youtube: How does your mobile phone work? | ICT #1 - YouTube