{"product_id":"400g-qsfp-dd-lr4-10km-fiber-optic-transceiver","title":"400GBASE-LR4 QSFP-DD PAM4 1310nm 10km DOM Duplex LC\/UPC SMF Optical Transceiver Module","description":"\u003cp\u003e\u003cstrong\u003eThe 400GBASE-LR4 QSFP-DD optical transceiver is a high-performance module designed for 400GbE long-reach applications up to 10km over single-mode fiber (SMF).\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt integrates 8×53.125Gb\/s (PAM4) electrical lanes into 4 CWDM optical lanes of 106.25Gb\/s each, multiplexed and demultiplexed for 400Gb\/s aggregate data transmission.\u003c\/p\u003e\u003cp\u003eOperating at central wavelengths of 1271nm, 1291nm, 1311nm, and 1331nm as defined in ITU-T G.694.2, this module uses a duplex LC connector and requires host FEC to achieve 10km reach.\nCompliant with IEEE802.3bs, 100GLambda MSA 400G-LR4, and QSFP-DD MSA, it supports digital diagnostics (DDM\/DOM) via the I²C interface and is optimized for high-density data center and telecom backbone networks.\u003c\/p\u003e","brand":"SpeedyFiberTX","offers":[{"title":"Default Title","offer_id":46760625963238,"sku":"QDD-400G-LR4-10KM","price":23012.0,"currency_code":"TWD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/9350\/9350\/files\/QDD-400G-LR4-10KM-01.jpg?v=1760670341","url":"https:\/\/www.speedyfiber.com\/products\/400g-qsfp-dd-lr4-10km-fiber-optic-transceiver","provider":"SpeedyFiberTX","version":"1.0","type":"link"}