{"id":2855,"date":"2026-06-11T15:30:18","date_gmt":"2026-06-11T07:30:18","guid":{"rendered":"https:\/\/wavesplitter.com\/?post_type=product&#038;p=2855"},"modified":"2026-06-11T15:30:18","modified_gmt":"2026-06-11T07:30:18","slug":"400g-qsfp-dd-sr4-100m-transceiver-module","status":"publish","type":"product","link":"https:\/\/wavesplitter.com\/tw\/product\/400g-qsfp-dd-sr4-100m-transceiver-module\/","title":{"rendered":"400G QSFP-DD SR4 100m Transceiver Module"},"content":{"rendered":"<p>The WST-QD4-SR4-C module is a 400Gb\/s QSFP-DD optical transceiver module designed for short-reach multimode<br \/>\nfiber (MMF) transmission. It provides eight electrical lanes operating at 53.125 Gb\/s PAM4 signaling and supports a SR4<br \/>\noptical interface for transmission distances up to 100 m over OM4 multimode fiber.<br \/>\nThe module integrates optical and electrical components within a QSFP-DD form factor and uses MPO-12\/APC connector<br \/>\nfor optical connectivity. The transmitters are based on 850 nm VCSEL laser and the receivers use PIN photodiodes with<br \/>\nTIAs, optimized for short-reach multimode fiber applications.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The WST-QD4-SR4-C module is a 400Gb\/s QSFP-DD optical transceiver module designed for short-reach multimode fiber (MMF) transmission. It provides eight electrical lanes operating at 53.125 Gb\/s PAM4 signaling and supports a SR4 optical interface for transmission distances up to 100 m over OM4 multimode fiber. The module integrates optical and electrical components within a QSFP-DD [&hellip;]<\/p>\n","protected":false},"featured_media":2844,"comment_status":"closed","ping_status":"closed","template":"","meta":{"inline_featured_image":false},"product_cat":[23,24],"product_tag":[],"class_list":{"0":"post-2855","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-transceiver-module","7":"product_cat-800g-400g-200g-osfp-qsfp","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>400G QSFP-DD SR4 100m Transceiver Module - WaveSplitter Technologies<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/wavesplitter.com\/product\/400g-qsfp-dd-sr4-100m-transceiver-module\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"400G QSFP-DD SR4 100m Transceiver Module - WaveSplitter Technologies\" \/>\n<meta property=\"og:description\" content=\"The WST-QD4-SR4-C module is a 400Gb\/s QSFP-DD optical transceiver module designed for short-reach multimode fiber (MMF) transmission. 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