Ram Mobile Data was originally founded by Ram Broadcasting Corporation as American Mobile Data Communications, Inc. in 1988. The name of the company was changed to Ram Mobile Data in 1989. RAM Mobile Data was the U.S. Operator of the Mobitex network.Ram Mobile Data was sold and renamed BellSouth Wireless Data in 1995 and later became Cingular Interactive when BellSouth and SBC Communications formed Cingular Wireless.