... Patch Cord Features:1) Superior qualified standard PC, APC, UPC, SPC polishing;2) 100% optic test: Insertion Loss: ≤0.3 (PC ... ); ≤0.2 (APC); ≤0.2 (UPC); ≤0.3 (SPC);3) 100% optic test: Return Loss: ≥45 (PC); ≥60 (APC ... ); ≥55 (UPC); ≥50 (SPC);4) φ0.9mm, φ2.0mm, φ3.0mm fiber optic cable ...