KBYI (94.3 MHz) is a public FM radio station in Rexburg, Idaho. It is one of two terrestrial radio stations owned by Brigham Young University-Idaho, which is an arm of the Church of Jesus Christ of Latter-day Saints (LDS). It has a radio format of classical music along with news and information from National Public Radio (NPR). The main signal covers Eastern Idaho, with rebroadcasting stations around Idaho, Wyoming and Montana. KBYI has an effective radiated power (ERP) of 100,000 watts, the maximum for FM stations. The transmitter is in Menan near the Snake River.