The JBX01382 100GBASE-CWDM4 QSFP28 Transceiver represents a premium solution for high-speed optical networking infrastructure requiring reliable, scalable performance. Built to IEEE 802.3bm specifications and QSFP28 MSA standards, this module delivers exceptional 100GB throughput capabilities essential for modern data centers and enterprise networks. **Technical Specifications:** This singlemode fiber transceiver operates over distances up to 2 kilometers, utilizing a robust 9/125μm fiber core standard. The CWDM4 technology enables wavelength division multiplexing, providing efficient spectrum utilization. With duplex LC/UPC connectors, the module ensures precision fiber alignment and minimal signal loss. Its compact QSFP28 form factor (5x4x2 dimensions) fits seamlessly into existing network infrastructure. **Performance & Reliability:** Operating across temperatures from 0-70°C (32-158°F), this transceiver maintains consistent performance in diverse environments. The metal case housing with integrated laser transmitter provides durability and thermal management. Class 1 laser certification, TUV, UL/FDA compliance (21CFR 1040.10), and EU RoHS directive adherence ensure safety and environmental responsibility. **Compatibility & Integration:** As a direct Cisco QSFP-100G-SM-SR compatible replacement (OEM Part#: QSFP-100G-SM-SR / QSFP-100G-CWDM4-S), this module simplifies network upgrades and maintenance. Custom brand programming is available, allowing network operators to integrate proprietary identification and management protocols. **Applications:** Ideal for enterprise data centers, cloud service providers, and high-performance computing environments where 100GB connectivity bridges network segments. Perfect for organizations upgrading aging infrastructure or expanding network capacity without complete hardware replacement. **Quality Assurance:** Manufactured in Vietnam and China with stringent quality control, each module includes a 90-day limited warranty. Free standard shipping on orders exceeding $99 makes this enterprise-grade transceiver a cost-effective networking investment. Elevate your network infrastructure with proven 100GBASE-CWDM4 performance backed by comprehensive certifications and industry-standard compatibility.