... 25Gb/s SFP Fiber Optic Transceiver Module 550m, 10km, 20km, 40km, 80km, 120km are available wavelength: 850nm, 1310nm, 1550n 1. ... 25Gbps SFP Optical Transceiver, 40km Reach FeaturesDual data-rate of 1.25Gbps/1.063Gbps operation1310nm ... optical transmission systems* Professional supply: SFP,GBIC,BIDI SFP,XFP,SFP+,X2 and XENPAK,CWDM,DWDM. OEM&ODM service is ...