Description This 4m MTP PRO-12 (Male) to MTP PRO-12 (Male) jumper utilizes 12-fiber OS2 single-mode technology for efficient high-speed data transfer. Built with Type B polarity and a yellow LSZH jacket, the MTP PRO connectors allow for easy field-pin and polarity changes. The 3.0mm cable assembly ensures low back reflection and a maximum insertion loss of ≤ 0.35dB.