Profile: Communications Specialties, Inc./Math Assocs. designs and manufactures Fiberlink® fiber optic transmission systems for video, audio and data, Scan Do® scan converters and Deuce® video scalers. We serve industries such as broadcast, professional A/V, videoconferencing, education, home theater, security, ITS, industrial monitoring and government/military. Fiberlink® 5100 supports both full & half duplex modes and is ideal for IT, broadcast and pro a/v architectures. Our accessories include optical power meter kit, three wavelength light source, optical power meter, fiber optic termination kit and universal power supply.