In an era when even local applications can quickly become international, it is essential to choose a vendor with truly international capabilities. With a sales and service network of distributors and value-added resellers in over 100 countries, RAD is in an ideal position to offer worldwide installation and management for even the most complex projects. RAD's products enable managers and operators of subway lines, metro train stations, high speed railways, freight trains, elevated lines, trolley lines, and undergrounds to maximize their existing networks and migrate to next generation packet-based networks. RAD products also enable railway companies to use their extensive self-owned infrastructure to provide telecommunications services to external organizations such as business customers.