The JBX01380 100GBASE-CWDM4 QSFP28 Transceiver represents cutting-edge optical networking technology for modern enterprise infrastructure. This high-performance module is specifically engineered to support 100GB Ethernet transmission over singlemode fiber distances up to 2 kilometers, making it an ideal solution for data center interconnects, campus networks, and metropolitan area deployments. **Key Technical Specifications:** The transceiver utilizes 9/125 singlemode fiber with duplex LC/UPC connectors, ensuring reliable signal transmission and minimal signal loss. Its QSFP28 form factor provides compact integration into standard network equipment while maintaining superior performance standards. The optical module operates across industrial temperature ranges from 0 to 70°C (32 to 158°F), ensuring consistent performance in diverse deployment environments. **Compatibility and Integration:** Fully compatible with Arista QSFP-100G-CWDM4 systems, this transceiver serves as a qualified replacement part that integrates seamlessly into existing network architectures. It adheres to IEEE 802.3bm specifications and QSFP28 MSA standards, guaranteeing interoperability across compliant platforms. **Quality and Compliance:** Manufactured with rigorous quality standards, the module features a durable metal case housing precision laser transmitter technology. It carries comprehensive safety certifications including Class 1 Laser designation, TUV, UL/FDA compliance, and meets EU RoHS Directive 2002/95/EC requirements. These certifications ensure safe operation in professional networking environments. **Value Proposition:** The JBX01380 delivers enterprise-grade reliability at competitive pricing. It offers custom brand programming options for integration with specialized networking solutions. With free standard shipping on orders exceeding $99 and a 90-day limited warranty, this transceiver provides exceptional value for organizations seeking to upgrade or expand their 100GB network infrastructure while maintaining cost efficiency and reliability standards.