... data-rate of 1.25Gbps/1.0625Gbps and 40km transmission distance with SMF. The transceiver consists of three sections:a DFB laser ... -8472.For further information, please refer to SFP MSA. Professional supply: SFP,GBIC,BIDI SFP,XFP,SFP+,X2 and XENPAK,CWDM,DWDM.OEM&ODM ... with Cisco,HP,Finisar,3com, etc. 1.25G , Fiber Optical Transceiver ,CWDM-GBIC-1550nm ,GBIC transceiver,