Description This 20m MTP-12 APC (Female) to MTP-12 APC (Female) jumper provides a robust 12-fiber OS2 single-mode connection for high-density fiber backbones. It features Type B polarity and a 3.0mm yellow LSZH jacket, designed for secure long-distance runs within facilities. The high-precision build ensures an insertion loss of ≤ 0.35dB.