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SM OTDR Module, 1310/1550 nm, 35/34dB with FTB-200 Mainframe
SM OTDR Module 1310/1550 nm Bundled with FTB-200 Mainframe
SM OTDR Module 1310/1490/1550nm Bundled with FTB-200
SM CWDM OTDR module with all 18 activated wavelengths
