Fiber Instrument Sales › FIS FIRECATQUAD Optical Time-Domain Reflectometer (OTDR) Quad Wavelength - MM/SM 850/1300/1310/1550 Handheld Image 1 of 1 FIS FIRECATQUAD Optical Time-Domain Reflectometer (OTDR) Quad Wavelength - MM/SM 850/1300/1310/1550 Handheld $4,000.00 Get notified by email when this product is in stock. Quantity: Add To Cart Added!