The 800G QSFP-DD transceiver module provides high-speed connectivity with dual duplex LC ports. Designed for 2x400G-FR4 applications, it supports transmission over single-mode fiber (SMF) for distances up to 2 kilometers.
QDD-2X400G-FR4-RF - Cisco 800GQSFPDDTRANSCEVR2X400GFR4DUALDUPLXLC2KMSMF REMANUFACTURED