3m SC/PC - SC/PC Single Mode Optical Fiber Cable Patch Cord<br /><br />Main Features:<br />● Insert loss: A1: 0.08dB， A2: 0.15dB<br />● Return loss: A1: 55.4dB， A2: 55.4dB<br />● High stability， good repeatability and fast transmission speed<br />● Good g