KUNI (90.9 MHz) is an FM radio station owned and operated by Iowa Public Radio (IPR) in Cedar Falls. It is one of two NPR outlets for Eastern Iowa; the other being WSUI in Iowa City.
KUNI's transmitter is in Walker, Iowa, with its primary signal covering Cedar Falls, Waterloo, Cedar Rapids and Iowa City. KUNI's programming is simulcast on full-power satellites KNSM (91.5 FM) and KRNI (1010 AM) in Mason City.