AddOn Cisco SFP (mini-GBIC) Module – For Data Networking, Optical Network – 1 x LC 2.5GBase-DWDM Network – Optical Fiber – Single-mode – 2.5 Gigabit Ethernet – 2.5GBase-DWDM – 2.50 Gbit/s – 393700.79 ft Maximum Distance – Hot-swappable – TAA Compliant