ADTRAN designs, develops, and markets a broad range of high-speed digital transmission products utilized by telcos, corporate end users, and OEMs to implement digital data service over existing telephone networks. The company supplies innovative network access products that enable today's widespread digital telecommunications applications, including Internet access, telecommuting, corporate connectivity, distance learning, video-conferencing, and teleradiology. ADTRAN has a wide range of network cables, connectors and other accessories that will satisfy even the most extraordinary demands.