... loss 3.Low insertion loss 4.17 years factory SC Fiber Optical Patch CordSpecifications Low insertion loss,high return ... Specification Mode Single-mode ,Multi-mode Type FC,LC,SC,ST,MU,MTRJ,MPO,E2000 Polishing APC,UPC,PC Insertion ... Loss(dB) ≤0.2 , ≤0.3 Return Loss(dB) ≥50, ≥65 Exchangeability(dB) ≤0.2 Repeatability(db/1000times) ≤0. ... enquiry via mail or fax within 24 hours. SC Fiber Optical Patch Cord