1.25Gb/s SFP Fiber Optic Transceiver Module 550m, 10km, 20km, 40km, 80km, 120km are available wavelength: 850nm, ... temperature range (0°C to +85°C )Fully metallic enclosure for low EMILow power dissipation (1.05 W typical)Compact RJ ... ,RoHs,FCC,ISO certificate. Cost effective. 1000BASE-T SFP transceiver module for Category 5 copper wire RJ-45 connector