KMRB (1430 AM) is a broadcast radio station in the United States. Licensed to San Gabriel, California, KMRB serves the Greater Los Angeles area with a Cantonese language format. It is owned and operated by Multicultural Broadcasting. The station originally signed on in 1942 as KWKW. From 1950 to 1999, the station had call sign KALI; it launched a Spanish format in the late 1950s. In 1994, Multicultural Broadcasting purchased KALI and converted it to its present Chinese format.