... loss,high return loss Good Durability OEM/ODM,100% optic test PC APC UPC polishing Manufacturer,Competitive price Fiber Optic Patch ... MM)/(Duplex,Simplex)All the types of patch cord available in both single-mode ... , and low back reflection and optical loss, while ensuring maximum repeatability.FeaturesStandard exact plastic ... Pictures Low insertion loss LC-LC/APC /SM/simplex fiber optic patch cord