1.25Gb/s SFP Fiber Optic Transceiver Module 550m, 10km, 20km, 40km, 80km, 120km are available wavelength: 850nm, ... bi-directional data linksHot-pluggable SFP footprintExtended case temperature range (0°C to +85°C )Fully metallic enclosure for low EMILow power dissipation ... ,RoHs,FCC,ISO certificate. Cost effective. 1000BASE-T SFP transceiver module for Category 5 copper wire RJ-45 connector