... and microscope inspection ST-SC, UPC, SM, Duplex, LSZH, Fiber Patch CordST/UPC-SC/UPC-SM-DX-2.0mm, G657A fiber, LSZH ... )IL (Insertion Loss)≤0.2dBRL (Return Loss)≥50dBOperating Temperature-40°C to 75°CDurability≤0.1dBtypical change, 500matingsAvailable WavelengthSM=1310&1550nmOrdering ... , D4, SMAFerrule End-face: PC, UPC, APCCore Type: Single mode(SM: 9/125um), Multimode(MM: 50/125um or 62.5/125um ...