What you want to ask is what is the FM frequency for listening to music radio stations online. The FM frequencies of music radio stations are different in each region.
By consulting the information on Sohu.com, we can conclude that the music radio stations in each province are different. For example, Beijing is FM90.0, Tianjin is FM92.5, Shijiazhuang is FM105.1, Taiyuan is FM89.3, Dalian is FM107.8, Shenyang is FM99.8, Changchun is FM94.3, and Shanghai is FM107.7.
FM is the abbreviation of Frequency Modulation, which is frequency modulation, also called frequency modulation. It is a modulation method that uses frequency changes to carry information.