Cisco QSFP28 Module - For Data Networking, Optical Network - 1 x LC Duplex 100GBase-FR Network - Optical Fiber - Single-mode - 100 Gigabit Ethernet - 100GBase-FR - 100 Gbit/s - 2 km Maximum Distance QSFP28 offers enhanced dependability with maximum productivity 100GBase-FR network technology for fast, dependable connectivity with maximum efficiency Provides high performance and flexible solution with 100 Gigabit Ethernet connectivity Optical fiber cable compatible - Spans afar and provides speedy data transmission rates between servers and network components For transmitting data at gigabit speed over hundreds of miles with little integrity loss, single-mode fiber optic is an ideal solution QSFP28 with data networking application/usage for maximum productivity and usability