The JBX01065 400GBASE-FR4 QSFP-DD transceiver represents cutting-edge optical transmission technology designed for demanding networking environments requiring ultra-high-speed data transfer. This sophisticated module operates at 800GB data rates, making it ideal for data center interconnects, high-performance computing clusters, and enterprise backbone networks requiring maximum bandwidth efficiency. Technical Excellence and Specifications: This QSFP-DD form factor transceiver delivers 400GBASE-FR4 compliance over 2km distances using singlemode fiber (SMF) with 9/125 micron core specifications. The duplex LC/UPC connector interface provides precise alignment and minimal signal loss, critical for maintaining data integrity at extreme speeds. Compatible with Cisco's QDD-2X400G-FR4 platform, the JBX01065 ensures seamless integration into existing Cisco infrastructure without compatibility concerns. Robust Design and Safety: Constructed with a premium metal case and incorporating laser transmission technology, this transceiver withstands demanding data center environments. Comprehensive safety certifications—including Class 1 Laser designation, TUV, UL, and FDA 21CFR 1040.10 compliance—guarantee operator safety and regulatory adherence. RoHS and ELV directive compliance ensures environmental responsibility without compromising performance. Operational Reliability: Operating across an industrial-grade temperature range from 0 to 70°C (32 to 158°F), the JBX01065 maintains consistent performance in varied climate conditions. The 90-day limited warranty provides peace of mind for critical network deployments. Customization and Support: We offer custom brand programming to accommodate OEM requirements and specific deployment scenarios. Free standard shipping on orders exceeding $99 makes this enterprise solution cost-effective. Manufactured in Vietnam and China with stringent quality control, the JBX01065 represents the optimal balance of performance, reliability, and value for modern networking infrastructure.