Optical module 15GBASE-LR LO-SFP28-SR -SFP28 25GBase-SR MM 850nm 100 m LC DUAL RATE 10/25GbE   cooperating with multimode fiber (duplex transmission over 2 fibers), operates at a wavelength of 850 nm, transmitting data from speed up to 25 Gbps Ethernet over a distance of 100 m. LC/UPC duplex optical connector. The MSA-compliant transceiver works with devices such as switches, converters, routers, and servers.