CSI designs and manufactures Fiberlink® fiber optic transmission systems for video, audio and data,
Scan Do® scan converters,
Deuce® video scalers and more!
Communications Specialties, Inc. (CSI) offers a comprehensive line of point-to-point and point-to-multipoint fiber optic transmission systems for video, audio and data.
All products within the Fiberlink® line deliver state-of-the-art performance at unparalleled pricing.
Be sure to check out our Fiber Optic Test Equipment!

The Fiberlink® 3334 Series is a 10 Channel Video Multiplexer that transmits all-digital signals over one single mode or multimode fiber. Fiberlink® 3334 is capable of multiplexing up to 10 individual composite video sources onto one optical...
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The Fiberlink® 3820 is the two fiber version of the Fiberlink® 3810.
The Fiberlink® 3800 Series transmits Composite Video and
Bidirectional Data over multimode or single mode fiber at 850, 1310 or
1550 nm using one or two fibers. The...
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The Fiberlink® 3800 Series transmits Composite Video and
Bidirectional Data over multimode or single mode fiber at 850, 1310 or
1550 nm using one or two fibers. The 3800 Series is ideal for Security
and Casino...
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