The JBX01480 100GBASE-PLR4 QSFP28 transceiver module represents a premium solution for organizations requiring ultra-high-speed, long-distance optical connectivity. Engineered to deliver 100 gigabits per second over single-mode fiber at distances up to 10 kilometers, this transceiver is specifically designed for professional network infrastructure deployments where reliability and performance are non-negotiable. **Key Technical Features:** Operating at 1310nm wavelength, the module utilizes industry-standard 9/125 single-mode fiber with MTP/MPO connectors, ensuring compatibility with existing enterprise backbone installations. The QSFP28 form factor provides excellent density for modern switch architectures, while the PLR4 specification delivers extended-range capabilities ideal for campus networks and large data center interconnects. **Performance & Reliability:** Fully qualified to IEEE 802.3bm specifications and QSFP28 MSA standards, this transceiver maintains consistent performance across operating temperatures from 0-70°C (32-158°F). The metal case with integrated laser transmitter provides superior thermal management and optical signal integrity. RoHS and ELV compliant with comprehensive safety certifications including Class 1 Laser designation and FDA 21CFR 1040.10 approval. **Compatibility & Integration:** Designed as a direct replacement for Juniper QSFP-4X25G-LR modules, ensuring seamless integration into existing Juniper switch environments without compatibility issues. Custom brand programming capabilities allow OEM customization for enterprise deployments. **Enterprise Features:** Includes 90-day limited warranty and ships from US distribution centers in California and South Carolina, with free standard shipping on orders exceeding $99. Manufactured in Vietnam and China using quality-controlled processes, meeting international standards for optical component production. Ideal for data center upgrades, carrier-class network deployments, research institutions, and enterprises requiring reliable 100GB connectivity with future-proof longevity.