Provide a high-performance link between fiber network devices. Your company's backbone is its Network. Without a stable, reliable network your company can't communicate. A lack of communication means a loss of revenue. What do you do now? Enter the StarTech.com duplex Single-mode Fiber Optic patch cable assembly. This product provides the necessary link between Fiber networking devices for high-speed, long-distance networks. Each cable is individually tested and certified to be within acceptable optical insertion loss limits for guaranteed compatibility and 100% reliability. The same lifetime warranty that applies to all StarTech.com cables protects our customers from any problems they might encounter with our cables.