IBiquity Digital develops and licenses a digital HD Radio technology for AM and FM audio and data broadcasting in the United States and internationally. Its HD radio technology allows digital radio signals to ride the same airwaves as analog AM and FM radio broadcasts. The company provides a Gigaware Navigation Control HD Radio Receiver accessory and a Gigaware HD Radio application for iPhone and iPod touch users to receive HD Radio FM broadcasts. iBiquity Digital Corporation was formerly known as USA Digital Radio, Inc. The company was founded in 1991 and is based in Columbia, Maryland, with additional offices in Basking Ridge, New Jersey, and Pontiac, Michigan.