Optical fiber patch cord Low insertion loss High Return loss Good Quanlity the Lowest price TLC Rohs ISO certification ... optic connectors on both ends.Product Description:DescriptionMTRJ-DX-MM Optical fiber patch cord Φ2.0 Appearance /No crack, No scar ... : 2KGTensile strength dB0- 10KG per minutesInsertion loss change< 0.1,Return loss change< 5, No flab, No distortionAnti-contortiondB2.5Kg ,200times ...