... /s SFP Fiber Optic Transceiver Module 550m, 10km, 20km, 40km, 80km, 120km are available wavelength: 850nm, 1310nm,1550nm 1.25Gbps Copper ... 1040.10 and 1040.11, Class I * Professional supply: SFP,GBIC,BIDI SFP,XFP,SFP+,X2, XENPAK,CWDM,DWDM. OEM&ODM ...