The JBX88295 20-meter ST/ST duplex singlemode fiber patch cable represents a premium solution for telecommunications, data center, and enterprise network infrastructure. Designed for professionals who demand reliability and performance, this cable combines precise engineering with stringent quality standards to ensure optimal signal transmission across your critical network pathways. Key Technical Specifications: This singlemode fiber cable features a 9/125 micron core with G.657.A1 glass fiber, specifically engineered for long-distance, high-bandwidth applications. The cable delivers exceptional performance metrics including insertion loss of ≤0.35dB (0.15dB typical) and return loss of ≥20dB, meeting or exceeding industry standards for attenuation (0.25dB/km at 1310nm and 0.35dB/km at 1550nm). ST/UPC connectors with Type A to B crossover polarity provide seamless integration with existing infrastructure. Durable Construction and Compliance: The green-jacketed cable features OFNR (Optical Fiber Nonconductive Riser) rating, suitable for vertical cable runs in multi-story installations. TAA compliance ensures procurement eligibility for government and regulated organizations. Full RoHS/ELV directive compliance and rigorous ANSI/TIA/EIA-455-171-A standards testing guarantee environmental responsibility and performance consistency. Applications and Use Cases: Ideal for data centers, telecommunications facilities, laboratory environments, and enterprise networks requiring reliable singlemode fiber connectivity. The compact 1.8mm diameter accommodates space-constrained installations while maintaining professional-grade performance. Custom lengths available for unique installation requirements. Value and Support: Every cable includes a 90-day limited warranty and benefits from multiple U.S. warehouses ensuring prompt delivery. Free standard shipping on orders exceeding $99 provides cost-effective procurement for larger installations. The green color-coding facilitates network organization and troubleshooting.