KIIS 101.1 (official callsign 3TTT) is a commercial FM radio station in Melbourne, Australia and is owned by the Australian Radio Network (ARN). The station was formerly known as 3DB and 3TT, broadcasting on 1026 kHz AM, before converting to FM in 1990.The KIIS 101.1 playlist is primarily targeted at the 15–40 age group, the group most valued by advertisers.