The JBX43661 1m LC/UPC to FC/APC Simplex Singlemode Fiber Patch Cable represents a premium solution for professional fiber optic networking applications. This carefully engineered cable bridges the connectivity gap between different connector architectures commonly found in modern telecommunications infrastructure. **Technical Specifications:** Built with 9/125 singlemode fiber core utilizing G.657.A1 glass fiber technology, this cable delivers industry-leading performance characteristics. The insertion loss specification of ≤0.35dB (with typical performance of 0.15dB) ensures minimal signal degradation, while the ≥20dB return loss rating provides excellent signal integrity. Attenuation ratings of 0.25 dB/km at 1310nm and 0.35 dB/km at 1550nm accommodate both C-band and L-band telecommunications applications. **Compliance & Safety:** Fully TAA-compliant and RoHS/ELV directive-certified, this cable meets stringent government procurement standards. The OFNR (Optical Fiber, Non-conductive, Riser Rated) jacket classification ensures code compliance for vertical building installations while maintaining flame-retardant properties. **Design & Durability:** The distinctive yellow jacket provides easy identification in cable management systems, while the compact 1.8mm outside diameter facilitates installation in tight spaces. Simplex configuration delivers single-strand transmission ideal for applications requiring unidirectional fiber communication. **Applications:** Perfect for data centers, telecommunications networks, fiber-to-the-premise installations, and laboratory test environments where mixed connector types require bridging. **Availability:** Available in custom lengths beyond the standard 1m configuration. Ships quickly from multiple US distribution centers with complimentary standard shipping on orders exceeding $99. Backed by a comprehensive 90-day limited warranty ensuring customer confidence in long-term reliability.