... supply your best price and high quality Fiber optic pigtail Technical Standard:Insertion Loss: PC≤ 0.2dB, UPC≤ 0.2dB, APC≤ 0 ... .3dB; Typical0.1dB;Return Loss: SM PC≥ 50dB, UPC≥ 55dB, APC≥ 65dB; MM PC≥ 35dB, UPC≥ 35dB Interchangeability: ≤ 0.2dBSalt Spray ... , MU, MPO, MTRJ, D4, DIN, SMA, FDDI, ESCON etc.Fiber Mode: SM (single mode) G652D, G655, G657, SC Fiber bundle/Fiber Pigtail (12 CORE)