KGUM-FM (105.1 FM) is a radio station licensed to Dededo, a village in the United States territory of Guam.
Owned by Glimpses Media, the station broadcasts both news/talk radio on weekdays and Caribbean music on weekend format branded as "Wave 105".
The new branded station as "105.1 The Kat" from 2007 to 2016 and offered a classic hit that focused on 1970s’, 1980s’, and 1990s’ music.
In January 2016, the station switches to its former Hot AC format with the slogan known as "Hits of the 90s and New Millennium", then in February 2017 it was introduced the new name as "105.1 KAT FM".
On December 16, 2023, KGUM-FM switched into "Wave 105" for the news and talk station format, then caribbean/reggae would air every weekend.