Product description NWANSI Single-mode OTDR Launch Cable Test Tool Fiber Optic Test Box Product Parameters Fiber Type Single-mode 9m/125m Wavelength 1310nm / 1550nm Transmission Loss Approx 0.2 dB/km Optional Connector APC/UPC (LC / SC / FC) Optional Cable Length 150m / 300m / 500m / 1000m / 2000m Storage Box Material ABS Overall Dimension 22×15× 6.5 cm Package Content 1 × OTDR launch cable test box Recommended Products OM1 OTDR Launch Cable Box Buying Options OM2 OTDR Launch Cable Box Buying Options OM3 OTDR Launch Cable Box Buying Options OM4 OTDR Launch Cable Box Buying Options Fiber Type OM1, 62.5 m / 125m OM2, 50m / 125m OM3, 50m / 125m OM4, 50m / 125m Numerical Aperture (NA) 0.22 ± 0.02 0.200 ± 0.015 0.200 ± 0.015 0.200 ± 0.015 Maximum Attenuation @ 850nm 3.5 dB/km 2.3 dB/km 2.3 dB/km 2.3 dB/km Maximum Attenuation @ 1300nm 1.5 dB/km 0.6 dB/km 0.6 dB/km 0.6 dB/km SWDM Wavelength Division Not Supported Not Supported Not Supported Not Supported