FiberFlex ULTRA Cable 2 fibers 50/125 µm, OM3. 500 μm primary coating, extra thick acrylate layer protecting and separating the optical fibre. 900 µm tight buffered fiber, larger fiber crossection, highly flexible and ruggedoptimized for 10 Gbit/s transmission up to 300 m, ultra-low attenuation of < 0.7 dB/km aramid fibres for strain relief.