#rio-nguyen
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![C04 wireless telecommunication-systems[1]](https://static.cupdf.com/doc/330x215/5581ebb4d8b42a67508b493e/c04-wireless-telecommunication-systems1.jpg)
![C08 wireless atm[1]](https://static.cupdf.com/doc/330x215/555a959fd8b42a991b8b4bf7/c08-wireless-atm1.jpg)
