KMLB (540 kHz) is a commercial AM radio station broadcasting a talk radio format. Licensed to Monroe, Louisiana, the station is owned by Holladay Broadcasting. All programming is simulcast on FM translator K289CG at 105.7 MHz. Studios are located in Monroe, and its transmitter site is in nearby West Monroe, Louisiana. KMLB operates with 4,000 watts by day, using a non-directional antenna, covering parts of Louisiana, Arkansas and Mississippi. But because AM 540 is a clear-channel frequency reserved for Canada and Mexico, the station must drastically reduce power at night to 26 watts.