Founded in 1983, Communications Specialties, Inc. (CSI) is recognized worldwide for its development of innovative products in the areas of fiber optic transmission and computer-video technology. CSI manufactures the Pure Digital Fiberlink® line of point-to-point fiber optic transmission systems for video, audio and data, the award-winning Scan Do® line of scan converters and Deuce® video scalers. The company is headquartered on Long Island, NY and has a wholly-owned subsidiary, Communications Specialties Pte Ltd in Singapore.

Pure Digital Fiberlink® fiber optic transmission systems, Scan Do® scan converters, Deuce® video scalers, distribution amplifiers, VGA monitor, keyboard and mouse extenders