... High temperature stability 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 cable ... FC,LC,SC,ST,MU,MTRJ,MPO,E2000 Polishing APC,UPC,PC Insertion Loss(dB) ≤0.2 , ≤0.3 ...