The JBX43525 20m ST/APC to ST/APC Simplex Singlemode Fiber Patch Cable represents a premium solution for organizations requiring reliable, high-performance optical fiber connectivity. This carefully engineered cable combines superior signal transmission capabilities with compliance standards demanded by enterprise and government sectors. **Technical Excellence** Built with a 9/125 singlemode fiber core and G.657.A1 glass specification, this cable excels in long-distance signal transmission. The simplex configuration features a single fiber strand optimized for unidirectional data flow. Attenuation performance is exceptional: 0.25 dB/km at 1310 nm and 0.35 dB/km at 1550 nm, with typical insertion loss of just 0.15dB. Return loss exceeds 20dB, ensuring minimal signal reflection and maximum network stability. **Construction & Protection** The 1.8mm outside diameter provides flexibility without sacrificing durability. The yellow OFNR (Optical Fiber Non-conductive Riser) jacket offers flame resistance and visibility, making cable identification effortless during installation and maintenance. This riser rating ensures safe deployment in building vertical pathways and commercial environments. **Compliance & Standards** TAA-compliant and RoHS/ELV certified, this cable meets rigorous governmental procurement requirements. Manufacturing follows ANSI/TIA/EIA-455-171-A-2001 attenuation testing standards, guaranteeing consistent quality across all units. Available from multiple U.S. distribution centers in Danville, CA, Fort Worth, TX, and Beaufort, SC. **Ideal Applications** Perfect for data centers, telecommunications facilities, broadcast studios, and professional network installations requiring single-strand fiber connectivity. The straight-through polarity configuration ensures straightforward integration. Custom lengths are available for specialized installations. **Value & Support** Included 90-day limited warranty provides peace of mind. Orders over $99 qualify for free standard shipping. Custom length options accommodate unique network configurations.