WMBD is a commercial radio station, the oldest in Peoria, Illinois. It broadcasts a news/talk format and is owned by Midwest Communications with the license held by Midwest Communications, Inc. The studios and offices are on Fulton Street in Peoria. The WMBD transmitter site is located on County Road 2100 East in Groveland Township, Illinois. The station is powered at 5,000 watts, with a directional signal. By day, a two-tower array is used, switching to a four towers at night to avoid causing interference with other stations.