RTHK Radio 5 is a public radio station that broadcasts a variety of programs including music, health, lifestyle, and cultural content. The station features programs like 'Beautiful Sunday', 'Happy Morning', and 'Cantonese Opera World'. It also collaborates with the Hong Kong Public Library for the 'Happiness in Words' initiative, encouraging reading for well-being. Radio 5 broadcasts on AM 783 and various FM frequencies across Hong Kong.