The JBX01450 100GBASE-LR4 QSFP28 transceiver represents cutting-edge optical networking technology designed for demanding enterprise environments. This advanced module delivers exceptional 100 gigabit per second (100GB) data transmission capabilities over extended distances of up to 10 kilometers through singlemode fiber infrastructure. **Key Technical Specifications:** Built to IEEE 802.3bm and QSFP28 MSA standards, this transceiver features a 9/125 singlemode fiber core with duplex LC/UPC connectors. The compact form factor (5x4x2 inches) enables flexible installation in high-density network environments while maintaining excellent thermal performance across operating temperatures from 0 to 70°C (32 to 158°F). **Superior Design & Construction:** The transceiver utilizes a durable metal case housing an integrated laser transmitter system, providing optimal signal integrity and electromagnetic shielding. This construction ensures stable performance in challenging data center conditions with minimal signal degradation over extended transmission distances. **Compatibility & Integration:** Directly compatible with Dell systems (replaces OEM parts 407-BBSL, 407-BCDH, 407-BCDI, 407-BBST, and 407-BBSP), allowing seamless upgrades to existing infrastructure. Custom brand programming is available for OEM requirements and white-label applications. **Compliance & Safety:** Fully RoHS and ELV compliant per EU Directive 2002/95/EC. Certified as Class 1 laser equipment with TUV, UL, and FDA certifications (21CFR 1040.10), ensuring workplace safety and regulatory compliance across global markets. **Ideal Applications:** Perfect for high-speed data center interconnects, metropolitan area networks (MANs), enterprise campus backbones, and carrier-grade long-haul connections requiring reliable 100GB connectivity with extended reach capabilities. **Warranty & Support:** Backed by a 90-day limited warranty with free standard shipping on orders exceeding $99. Ships from convenient US locations (Danville, CA and Beaufort, SC) for rapid deployment.