The JBX42474 is a professional-grade 75-meter FC/APC to FC/APC duplex singlemode fiber patch cable engineered for telecommunications, data center, and enterprise network applications requiring exceptional performance and reliability. **Technical Excellence** This duplex cable features a 9/125 singlemode core with G.657.A1 glass fiber, delivering superior bend radius performance and signal integrity. With an outside diameter of just 1.8mm, the cable maintains flexibility while providing robust protection through its OFNR riser-rated yellow jacket. The cable achieves industry-leading attenuation rates of 0.25 dB/km at 1310 nm or 0.35 dB/km at 1550 nm, with insertion loss of ≤0.35dB and return loss ≥20dB, all tested in accordance with ANSI/TIA/EIA-455-171-A-2001 standards. **Key Features** • 75-meter length ideal for long-distance installations • FC/APC connectors with Type A to B crossover polarity • Duplex configuration for bidirectional communication • Low insertion loss and exceptional return loss specifications • OFNR riser-rated jacketing for building compliance • TAA compliant for government procurement • RoHS/ELV directive compliant • Available in custom lengths upon request **Applications** Perfect for telecommunications networks, data centers, enterprise LANs, and any installation requiring reliable singlemode fiber connectivity. The robust 75-meter length eliminates the need for multiple shorter cables, reducing connection points and potential signal loss. **Quality & Compliance** Manufactured to exacting standards and available from multiple US locations (Danville CA, Fort Worth TX, Beaufort SC), this cable ships with free standard shipping on orders over $99. Backed by a 90-day limited warranty, the JBX42474 represents a cost-effective solution for professional fiber connectivity needs.