I have heard a lot about digital cell phone but always been very much confused between digital and analog. Can any one of you through some light on digital cell phone so that my I can get rid of my confusion. I also want to know how the flow of radio signals take place in digital cell phone network. Is digital cell phone is safer and secure as compared to analog cell phone. It will be great if any one of you do clear my confusion as this information will give a great help to me in my school project