Mix 102.3 plays current hits and a variety of 1980s and 1990s music (Hot Adult Contemporary), primarily targeted at the 25–54 age group.

During its early years, 5AD broadcast a wide range of programs, from orchestral concerts to comedies, serials and sporting events.

5AD personalities of the 1960s and 1970s included Bob Francis, Alec Macaskill, Keith Conlon, Barry Ion who also voiced the hilarious Peter Plus character, Tony Pilkington, Malcolm T. Elliott, Sam Galea, Ken Dickin, John Vincent, Bob Byrne, Dean Jaensch, Jeff Sunderland, Kevin Crease, and many others.

[citation needed] 5AD won all day parts, including mornings with Peter Butler, afternoons with Sam Angelsea and the popular night show for teenagers "Dial a Hit" hosted by Steve Mill and Di Stapleton.

The owners of Montclair included former 5DN personality and First Radio Limited investor Jeremy Cordeaux and former 5DN Station Manager Sue Fraser.

However the Australian Government directed the simulcast must end as it provided the station with an unfair advantage in terms of audience reach.