As diverse as these industries may be, the utilities and transportation sectors share common communications requirements. Uninterrupted transport of mission-critical communications traffic is essential for the safe and efficient operation of power plants and utilities facilities as it is for air, sea and ground transportation networks. RAD Data Communications provides cost-effective solutions for the data communications and telecommunications needs of these multifaceted segments of our economy. RAD's wide range of innovative, standards-based network access products provide connectivity over copper, fiber and wireless media in daisy-chain, star and ring topologies for all vital applications and services.