Product description NWANSI OM2 OTDR Launch Cable Box Test Tool UPC/LC SC FC ST Product Parameters Fiber Type OM2 multimode fiber, 50/125m Attenuation 3.5 dB/km @850nm; 0.6 dB/km @1300nm End Face Polishing Type UPC at both ends Connector A SC-UPC / LC-UPC / ST-UPC / FC-UPC Connector B SC-UPC / LC-UPC / ST-UPC / FC-UPC Applicable Test Wavelength 850nm / 1300nm (standard multimode test wavelength) Length 150m / 300m / 500m / 1000m / 2000m Operating Temperature -20 ~ +60 Enclosure Material Rigid ABS shockproof engineering case Dimensions 22×15× 6.5 cm Recommended Products OM1 OTDR Launch Cable Box OM3 OTDR Launch Cable Box OM4 OTDR Launch Cable Box Fiber Type OM1, 62.5 m / 125m Fiber Type OM3, 50m / 125m Fiber Type OM4, 50m / 125m Numerical Aperture (NA) 0.22 ± 0.02 Numerical Aperture (NA) 0.200 ± 0.015 Numerical Aperture (NA) 0.200 ± 0.015 Maximum Attenuation @ 850nm 3.5 dB/km Maximum Attenuation @ 850nm 2.3 dB/km Maximum Attenuation @ 850nm 2.3 dB/km Maximum Attenuation @ 1300nm 1.5 dB/km Maximum Attenuation @ 1300nm 0.6 dB/km Maximum Attenuation @ 1300nm 0.6 dB/km SWDM Wavelength Division Not Supported SWDM Wavelength Division Not Supported SWDM Wavelength Division Not Supported