... with fiber optic connectors on both ends.Product Description:DescriptionMTRJ-DX-MM Optical fiber patch cord Φ2.0 Appearance /No ... testdBH=1M,connector free-falling 5 timesInsertion loss change< 0.1,Return loss change< 5, No flab, No distortionRepetitivenessdBInsertion loss ... 5Kg ,200times, 10times/minutes, ±80°Insertion loss change < 0.1,Return loss change< 5, No flab, No distortionPackage/Clean, ...