Features: Tight tolerance ceramic ferrule, PC UPC APC end optional Low insertion loss & high return loss High repeatability and stability over a wide range of application and condition. Outer diameter of Inner cable: 3.0mm,2.00 mm,0.9 mm Compliant with the standard of IEC Parameter: SM MM Type LC Diameter(mm) Ф0.9,Ф2.0,Ф3.0 End-face finishing PC UPC PC Insertion loss(dB) ≤0.20 ≤0.40 Return loss(dB) ≥45 ≥50 ≥35 Exchangeability(dB) ≤0.20 Repeatability (dB) ≤0.10 Operating temperature(℃) -40~+75 Storage temperature(℃) -40~+85 Operating wavelength( nm) 1310,1550 850