... can be changed 3. Touch Screen 4. IN STOCK EXFO OTDR FTB-1 The FTB-1 Platform is a modular platform ... )Modules: FTB-720-000-04BFTB-720-000-04B-XX, SM OTDR Module, Filtered 1625 nm, 34 dB (9/125 µm) ... ) for live fiber testingFTB-720-023BFTB-720-023B-XX, SM OTDR Module, 1310/1550 nm, 36/34 dB (9/125 µm ... (one broadband channel)FTB-730-023BFTB-730-023B-XX, SM OTDR Module, 1310/1550 nm, 39/37 dB (9/125 µm ...