Link: 3 Advantages to Digital Radio

RF spectrum is a sought-after resource that must be shared. There are increasingly more users wanting a piece of that spectrum. To make matters worse, users want to pass ever-increasing amounts of information over RF channels.

Information conveyed using traditional analog modulation schemes, such as AM or FM, requires relatively simple transmitters and receivers. However, with these modulation types, there are fixed rules relating to the amount of information that can be conveyed within a given bandwidth. The knock-on effect is that only so many users can be “fitted in.”

See the full article here: Radio Resource Magazine: OnlyOnline.