Chapter 4: Telecommunication Systems
Chapter 4: Telecommunication Systems. Mobile phone subscribers worldwide year Subscribers [million] 0 200 400 600 800 1000 1200 1400 1600 199619971998199920002001200220032004.
![Chapter 4: Telecommunication Systems. Mobile phone subscribers worldwide year Subscribers [million] 0 200 400 600 800 1000 1200 1400 1600 199619971998199920002001200220032004.](https://static.fdocuments.net/doc/330x215/56649ec45503460f94bcec60/chapter-4-telecommunication-systems-mobile-phone-subscribers-worldwide-year.jpg)
