The JBX01349 100GBASE-SWDM4 QSFP28 Transceiver represents the pinnacle of high-speed optical connectivity for modern data center and enterprise network environments. This robust optical transceiver module is purpose-built to deliver consistent 100GB Ethernet performance across multimode fiber infrastructure, specifically optimized for OM5 fiber specifications with an impressive 150-meter transmission distance. **Key Technical Specifications:** This QSFP28 form-factor module operates at 100GB data rates and utilizes dual-strand duplex LC/UPC fiber connectors for reliable signal transmission. The transceiver employs advanced laser transmitter technology housed in a precision metal case, ensuring durability and optimal thermal management in demanding network environments. With dimensions of 5.0" x 4.0" x 2.0", it fits standard QSFP28 slots without modification. **Performance & Compatibility:** Fully qualified to IEEE 802.3bm specifications and QSFP28 MSA standards, this module delivers drop-in compatibility with Cisco QSFP-100G-SWDM4-S equipment, eliminating integration hassles. The transceiver's multimode configuration makes it perfect for shorter-distance, cost-effective deployments while maintaining enterprise-level performance. **Safety & Compliance:** Comprehensively certified for Class 1 Laser operation with TUV, UL, and FDA approvals under 21CFR 1040.10, this module prioritizes user safety. Full RoHS and ELV directive compliance (EU 2002/95/EC) ensures environmental responsibility. Operating temperature range of 0-70°C accommodates diverse deployment scenarios. **Reliability & Support:** Manufactured in Vietnam and China with rigorous quality controls, each unit includes custom brand programming availability for OEM integrations. The included 90-day limited warranty provides peace-of-mind protection. Free standard shipping on orders over $99 with distribution centers in Danville, CA and Beaufort, SC. **Ideal Applications:** Perfect for data center interconnects, high-speed campus networks, virtualized environments, and enterprise storage area networks requiring reliable 100GB connectivity without the expense of single-mode infrastructure.