Distribution

     DAB- Digital audio broadcasting

        Binary code, no frequency band to stick to. DAB is more reliable than FM

    FM- Frequency modulation

        87.5 MHz-108MHz. Better sound quality than DAB but signal is prone to dropping out.

LW- Long wave 

        

AM- Amplitutde Modulation

        Mono output. 540-1060kHz. 

MW- medium wave

Freeview TV, Sky TV, Virgin TV

Online

Phones (on demand)

Digital music players