The JBX88266 25-meter ST/ST duplex singlemode fiber patch cable represents a professional-grade solution for mission-critical network environments. Designed specifically for organizations requiring reliable single-mode optical connectivity, this cable combines precision engineering with regulatory compliance to deliver dependable performance in demanding applications. **Superior Performance Specifications:** This singlemode fiber cable achieves insertion loss ratings of ≤0.35dB (0.15dB typical) and return loss of ≥20dB, ensuring minimal signal degradation over its 25-meter length. The 9/125 micron core construction is optimized for long-distance transmission with attenuation rates of 0.25 dB/km at 1310nm and 0.35 dB/km at 1550nm, making it ideal for telecommunications and data center applications requiring maximum bandwidth efficiency. **Connector Architecture and Compatibility:** Equipped with ST/UPC connectors in Type A to B crossover configuration, this duplex patch cable accommodates standard network equipment interfaces. The ST connector format remains industry-standard for many legacy and modern systems, ensuring broad compatibility across diverse infrastructure environments. **Compliance and Safety Features:** Full TAA compliance ensures eligibility for government procurement. RoHS/ELV certification confirms environmental responsibility, while OFNR riser rating permits installation in building cavities and plenums without additional conduit. Manufactured to exacting standards including ANSI/TIA/EIA-455-171-A-2001 specifications, this cable delivers consistent performance you can depend on. **Practical Design Elements:** The bright blue jacket provides easy identification in cable installations while the 1.8mm outer diameter enables efficient routing and management. G.657.A1 glass fiber composition enhances bend performance without sacrificing signal integrity. Backed by a 90-day limited warranty and available in custom lengths for specialized applications, this cable offers flexibility for both standard and unique installation requirements. **Applications:** Ideal for telecom carriers, data centers, corporate networks, research institutions, and any environment requiring dependable singlemode fiber connectivity over substantial distances.