{"product_id":"cisco-dp04qsdd-llh-a1-400g-qsfp-dd-coherent-dwdm-l-band-1565-1625-nm-ulh-reach-tunable-duplex-lc-openzr-oif-compatible","title":"Cisco DP04QSDD-LLH-A1 | 400G QSFP‑DD coherent | DWDM L‑band (≈1565–1625 nm) | ULH reach | tunable | duplex LC | OpenZR+\/OIF compatible","description":"Coherent 400G QSFP‑DD transceiver for ultra‑long‑haul DWDM links in the L‑band. The module is tunable across the L‑band for flexible wavelength planning and integrates coherent DSP with advanced FEC for high spectral efficiency over amplified spans. Ideal for long‑reach metro, regional, and backbone applications where space and power savings from QSFP‑DD are desired.","brand":"Cisco","offers":[{"title":"Default Title","offer_id":48165103993002,"sku":"DP04QSDD-LLH-A1","price":0.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/9181\/8922\/files\/400g-qsfp-dd-haul-coherent-module-ds_0.png?v=1775008401","url":"https:\/\/www.xsnet.com.au\/products\/cisco-dp04qsdd-llh-a1-400g-qsfp-dd-coherent-dwdm-l-band-1565-1625-nm-ulh-reach-tunable-duplex-lc-openzr-oif-compatible","provider":"XS Network Tech","version":"1.0","type":"link"}