... 3, Easy to operate 4, Good in exchange ST optical patch cord ST fiber optic jumper is available in both single-mode and multimode ... &Measurement3, Military industry4, Medical Specification ParameterUnitStandard & Requirement PC(SM)UPC(SM)APC(SM)PC(MM)Insertion Loss (Typical)dB≤0.3≤0.2≤0 ... face: PC, UPC, APC3, Core Type: Single-mode (SM: 9/125um), Multimode (MM: 50/125um or 62.5/125um)4, Cable Quantity ...