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Our OEM 400G FR4 optical transceivers are designed and manufactured by ETU-Link Technology Co., Ltd. These transceivers are built to deliver high performance and reliability for 400G Ethernet and optical networking applications, ETU-Link's OEM 400G FR4 optical transceivers are compliant with the QSFP-DD MSA and IEEE 802.3bs 400GBASE-FR8 standards. They support transmission distances of up to 2 kilometers over single-mode fiber (SMF) using a duplex LC connector. These transceivers are hot-pluggable and equipped with digital diagnostic monitoring (DDM) functions for real-time monitoring of system performance, With a low power consumption and compact form factor, our OEM 400G FR4 transceivers are well-suited for high-density data center and enterprise networking environments. They are rigorously tested to ensure interoperability with a wide range of network equipment from leading OEMs, ETU-Link is committed to delivering high-quality, cost-effective optical transceiver solutions to meet the growing demands of the data communication industry. Contact us for more information about our OEM 400G FR4 optical transceivers and other networking products