The JBX01493 100GBASE-ZR4 QSFP28 Transceiver represents cutting-edge optical networking technology designed for service providers, data centers, and enterprise networks requiring ultra-reliable long-distance connectivity. This premium module exemplifies advanced engineering with dual operational specifications that maximize deployment flexibility: achieve 90km transmission distance at 0.36dB/km attenuation or extend reach to 100km at 0.31dB/km, depending on your network requirements. **Superior Performance & Compatibility** As a Juniper QSFP-100G-ZR4+ compatible replacement, this transceiver integrates seamlessly into existing Juniper infrastructure without requiring firmware modifications or extensive reconfiguration. The module supports 100GB Ethernet data rates with integrated KR4 Forward Error Correction, ensuring signal integrity across extended distances while minimizing latency and packet loss. **Technical Excellence** Built with precision-engineered laser transmitter technology enclosed in a robust metal case, the JBX01493 features duplex LC/UPC fiber connectors and operates with 9/125 single-mode fiber (SMF). It fully adheres to IEEE 802.3bm specifications and QSFP28 Multi-Source Agreement standards, guaranteeing compatibility with certified equipment. **Safety & Compliance** This transceiver meets stringent international standards including RoHS/ELV directives, Class 1 Laser certification, and FDA compliance (21CFR 1040.10). TUV and UL certifications provide additional assurance for mission-critical deployments. **Ideal Applications** Perfect for metro and long-haul optical networks, data center interconnects, carrier networks, and high-speed WAN solutions. The extended reach capabilities make it particularly valuable for regional deployments where traditional transceivers fall short. **Reliable Support & Service** Includes 90-day limited warranty coverage. Custom brand programming available for OEM requirements. Ships from strategically located facilities in Danville, CA and Beaufort, SC with free standard shipping on orders exceeding $99.