Request InfoEXFO Inc.The FTB-5800 is a chromatic dispersion analyzer made by Exfo Electro-Optical Engineering Inc. It uses the phase-shift method to measure chromatic dispersion in networks and fiber optics links in DWDM. The device measures 9.6 x 10 x 26 cm, has a 1530- to 1625-nm wavelength range and reaches data rates up to 40 Gb/s. 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