Description 20m (66ft) LC UPC to LC UPC Duplex OS2 Single Mode Patch Cable is a high-quality 2.0mm LSZH yellow cable designed for high-speed single-mode fiber connectivity. Featuring precision LC UPC duplex connectors at both ends, it ensures reliable long-range data transmission with minimal signal loss. This 20-meter patch cable is an ideal choice for enterprise networking and data center infrastructures.