1.25Gb/s SFP Optical Transceiver Module 550m, 10km, 20km, 40km, 80km, 120km are available wavelength: 850nm, 1310nm, 1550nm 1.25Gbps SFP Optical Module, 40km Reach FeaturesData ... ,BIDI SFP,XFP,SFP+,X2 and XENPAK,CWDM,DWDM. OEM&ODM service is available, High Quality with CE,RoHs,FCC,ISO certificate. 1000BASE-LH 1310nm 40km SFP Transceiver, SFP ...