The JBX01476 100GBASE-LR4 QSFP28 Optical Transceiver represents cutting-edge technology for modern high-speed networking infrastructure. Engineered to deliver consistent 100Gbps data rates, this module is specifically optimized for extended-range transmissions up to 10 kilometers over single-mode fiber networks. **Technical Specifications & Performance:** This QSFP28 form-factor transceiver operates on IEEE 802.3bm-qualified standards, ensuring compatibility across diverse networking environments. The 9/125 micron single-mode fiber core enables long-distance signal propagation with minimal attenuation. The duplex LC/UPC connectors provide industry-standard connectivity with reduced insertion loss and superior return loss characteristics. The metal case construction with integrated laser transmitter technology ensures reliable operation and thermal management across the operating temperature range of 0-70°C (32-158°F). **Compatibility & Integration:** Designed as a direct replacement for Ruckus E100G-QSFP28-LR4-10KM modules, this transceiver seamlessly integrates into existing Ruckus network deployments. The form factor adheres to QSFP28 Multi-Source Agreement standards, facilitating broad compatibility across enterprise-grade networking equipment. **Safety & Compliance:** Fully certified to international safety standards including Class 1 Laser, TUV, UL/FDA (21CFR 1040.10), and EU directive 2002/95/EC (RoHS/ELV), this module meets stringent global regulatory requirements. The comprehensive safety certifications ensure safe operation in professional data center and network environments. **Application Use Cases:** Ideal for data center interconnects, high-speed enterprise networks, and service provider metro-area networks. Perfect for organizations requiring reliable, long-distance optical transmission without significant signal degradation. **Value Proposition:** Offering custom brand programming capabilities and backed by a 90-day limited warranty, this transceiver provides enterprise-grade reliability at competitive pricing. Free standard shipping on orders exceeding $99 makes it an economical choice for network upgrades and expansions.