... under 0.2dB , Return loss over 45db4.100%test, a test lable print on the box5.ROHS Compliant,meet ITC ... Type-SC,FC,LC,ST,E2000.MTRJ,ESCON Polishing:PC,UPC,APC3. Cable Jacket Type:PVC/LSZH4. Cable diameter ... Fiber Optic Patch Cord -Specification FIBER OPTIC PATCH CORD-test itemTest ConditionValue(dB)UPCAPCOptical PerformanceIL1310nm LED light source<0 ... <0.2 Fiber Optic Patch Cord LC/PC-LC/PC-D-SM-3.0/2.0