KQBU-FM (93.3 FM, "Que Buena 93.3") is a radio station broadcasting an Regional Mexican format. The studios are located at the Univision building at 5100 Southwest Freeway in Houston, Texas and transmitter is located in Devers, Texas. Licensed to Port Arthur, Texas, USA, it primarily serves the Beaumont-Port Arthur area (it formerly served the Greater Houston area). It first began broadcasting in 1980 under the call sign KYKR-FM.