1. DAB means Digital Audio Broadcasting

2. What's it?
DAB or DIGITAL AUDIO BROADCASTING is one of the biggest innovations in the radio field,which allows transmission of transmissions in a cleaner way using the digital signal.
Advantages: Better audio quality, more user-friendly, additional content (text, images) that support the audio and potentially even new channels, as happened for the TV
Disadvantages: coverage is not guaranteed everywhere

3. It is also useful because
better management of the radio spectrum
ex: frequency
1 FM channel
6 DAB channels /18 DAB+ channels

4. When & where is born
The first digital radio stations appeared in Norway and in England in 1995

5. DAB e DAB+:what's the difference?

6. DAB+
DAB+ appeared in 2006
DAB+ made it possible to transmit more networks at better sound quality than DAB

7. DAB coverage in Italy
poor coverage above all in southern Italy