The JBX43565 70m ST/APC to FC/UPC Simplex Fiber Patch Cable represents a premium solution for professional fiber optic networking applications. This high-performance cable combines robust engineering with proven reliability, making it an excellent choice for telecommunications professionals, data center managers, and network integrators. **Technical Excellence** Constructed with 9/125 singlemode fiber core and G.657.A1 glass fiber technology, this cable delivers exceptional optical performance. Tested to ANSI/TIA/EIA-455-171-A-2001 standards, it achieves insertion loss of ≤0.35dB (0.15dB typical) and maintains return loss ≥20dB. Attenuation specifications of 0.25 dB/km at 1310nm and 0.35 dB/km at 1550nm ensure minimal signal degradation over extended distances. **Professional Design Features** The distinctive yellow outer jacket (1.8mm OD) provides immediate visual identification in cable runs while serving as OFNR riser-rated jacketing for safe building installation. The ST/APC connector features angled physical contact geometry, minimizing reflection and back-scatter for superior signal integrity. The FC/UPC connector offers universal compatibility with standard network equipment. **Compliance & Quality Assurance** Fully TAA compliant and RoHS/ELV certified per EU directive 2002/95/EC, this cable meets government procurement standards. The 90-day limited warranty provides confidence in product reliability. Available in custom lengths, allowing precise fit for any installation. **Applications** Ideal for connecting networking equipment in data centers, telecommunications facilities, enterprise networks, and fiber-to-the-premises installations. The simplex configuration suits point-to-point connections requiring single-direction signal transmission. **Logistics** Ships from strategically located U.S. warehouses in California, Texas, and South Carolina. Qualifies for free standard shipping on orders exceeding $99.