CableRack 0.5m LC/LC 40/100GB Duplex 50/125 Multimode OM4 Fiber Patch Cable Aqua 0.5 Meter (Single Pack) Jacketing: Aqua OFNR Riser Rated Zipcord, 1.8mm OD Cable Length: 0.5 Meter (1.7 Feet) Attenuation 850 nm: 3.5 dB/km or at 1300 nm: 1.0 dB/km Standards: Attenuation tested in accordance with ANSI/TIA/EIA-455-171-A- 2001