The JBX88213 60-meter ST/ST duplex singlemode fiber patch cable represents the gold standard in optical connectivity solutions. Built with precision-engineered 9/125 singlemode fiber cores and G.657.A1 glass specifications, this cable delivers industry-leading performance metrics that exceed telecommunications standards. **Key Performance Features:** With insertion loss of only 0.15dB typical (≤0.35dB maximum) at 1310nm, and return loss exceeding 20dB, this cable minimizes signal degradation across long-distance transmissions. Attenuation specifications of 0.25 dB/km at 1310nm or 0.35 dB/km at 1550nm ensure optimal signal integrity for both traditional and advanced wavelength applications. **Professional Design & Compliance:** The distinctive yellow jacket facilitates quick identification during installation and maintenance, while the compact 1.8mm diameter enables efficient cable management in crowded network environments. TAA compliance and RoHS/ELV certification make this cable suitable for government contracts and environmentally conscious organizations. OFNR riser-rated jacketing permits safe installation in plenum spaces without additional conduit. **Versatile Applications:** Ideal for telecommunications facilities, data centers, enterprise networks, and campus backbone connections. The 60-meter length accommodates medium-distance runs while maintaining signal quality. Type A to B crossover configuration supports the most common duplex patch cord applications. **Quality Assurance:** Manufactured to rigorous ANSI/TIA/EIA-455-171-A standards with insertion loss testing verification. Each cable undergoes comprehensive quality control protocols. Custom lengths available for specialized requirements. **Shipping & Support:** Enjoy free standard shipping on orders over $99, with convenient fulfillment options from multiple U.S. locations. Backed by a 90-day limited warranty and professional technical support. Compatible with industry-standard ST/UPC connectors for seamless integration into existing fiber networks.