The Tripp Lite N520-05M 5m Fiber Optic LC Male to Male Patch Cable is a high-quality networking cable designed for optical connections. This sealed cable features a multi-mode fiber type with a graded index and a nominal numeric aperture of .275. It has a core/cladding diameter of two 5 microns with a maximum 1 dB/km attenuation at 850 nm and 1300 nm. The cable is made from PVC material with a primary coating of acrylate, ensuring durability and reliable performance. With FDDI certification and standards, this cable is an essential component for efficient optical networking.s2b7