The JBX01493 is a premium 100GBASE-ZR4 QSFP28 optical transceiver engineered for demanding telecommunications and data center applications requiring extended-reach capabilities. As a Juniper QSFP-100G-ZR4+ compatible module, it seamlessly integrates into existing Juniper infrastructure while delivering exceptional performance and reliability. Key Technical Specifications: This transceiver operates at 100GB data rates over singlemode fiber (9/125) with industry-leading reach capabilities. At 0.36dB/km attenuation, it achieves 90km transmission distance, while optimized performance at 0.31dB/km extends coverage to 100km—perfect for metropolitan area networks and inter-datacenter connectivity. The integrated KR4 Forward Error Correction ensures superior signal integrity and minimizes data errors over long-distance links. Connectivity & Compatibility: Equipped with duplex LC/UPC connectors, the module utilizes standard singlemode fiber infrastructure. Its QSFP28 form factor (5x4x2 inches) fits standard-density transceiver slots, maximizing port density in network equipment. Full compliance with IEEE 802.3bm, QSFP28 MSA, and SFF-8665 standards guarantees interoperability and future-proofs your investment. Safety & Compliance: Featuring Class 1 Laser certification with TUV, UL/FDA (21CFR 1040.10), and full RoHS/ELV compliance, this module meets stringent global safety and environmental standards. Metal case construction with integrated laser transmitter technology provides durability and thermal management for continuous operation. Operational Reliability: Rated for 0-70°C operating temperatures, the transceiver maintains consistent performance across diverse deployment scenarios. Backed by a 90-day limited warranty and supported by custom brand programming options, it's an enterprise-grade solution for mission-critical networks. Ships from US locations (Danville, CA and Beaufort, SC) with free standard shipping on orders over $99. Ideal Applications: Perfect for telecommunications carriers, cloud service providers, financial institutions, and enterprises requiring reliable long-distance 100GB connectivity without sacrificing performance or breaking budgets.