... comply with UL94V-O and ROHS standard6.Colors identify Specifications1.fiber optic patch ... SC,ST,FC.MU,DIN,D4,MPO, SC/APC,FC/APC,LC/APC.MU/APC Duplex MTRJ ... 3.0mm, Φ2.0mm, Φ1.8mmΦ1.6mm PVC or LSZHΦ0.9mm, Φ0.6mm buffered fiber PVC or LSZHPolishing MannerUPC,SPC,APC ... )Tested by JDS RM 3750Return Loss(For Singlemode)UPC ≥ 50dBSPC ≥ 55dBAPC ≥ 60dB ... 0m03=3.0m04=4..0mxx=others SC/APC SM SX fiber optic patch cord ...