... repeatability & interchangeability;* PC, UPC, APC polishing; FC, SC, ST, LC, MU connector;* Suitable for high-speed, high-capacity optical fiber tranmission system ... customer's requiment fiber optic patch cord: standard fiber optical connector of LC, FC, SC, ST, MU w/ PC, UPC, APC ... , pigtail specification: ItemSMMM/PCUPCAPCConnector typeFC/SC/ST/LC/MU...FC/SC/ST/LC/MU...Insertion loss≤0.2dB≤0.3dB≤0 ...