... .100% compatiable CWDM GBIC TransceiverFeatures 1.Dual data-rate of 1.25Gbps/1.063Gbps operation2.1310nm DFB laser and PIN photodetector for 40km transmission 3.Compliant with ... further information, please refer to SFP MSA. Professional supply: SFP,GBIC,BIDI SFP,XFP,SFP+,X2 and XENPAK,CWDM,DWDM.OEM&ODM ... effective.100% Compatible with Cisco,HP,Finisar,3com, etc. CWDM-GBIC-1490nm ,GBIC transceiver,