Finisar FCLF8521P2BTL

Up to 1.25Gb/s bi-directional data links, Hot-pluggable SFP foot print
Compact RJ-45 connector assembly, Access to physical layer IC via 2-wire serial bus
RoHS compliant (lead-free) , 10/100/1000 BASE-T operation in host systems with SGMII interface
Extended case temperature range of -40°C to 85°C, Lower power dissipation (1.05W typical), Fully metallic enclosure, for lower EMI