... .25Gbps/1.063Gbps operation2.1310nm DFB laser and PIN photodetector for 40km transmission 3.Compliant with SFP MSA and SFF-8472 ... compatible with SFP Multi-Source Agreement (MSA) and SFF-8472.For further information, please refer to SFP MSA. Professional supply: SFP ... .100% Compatible with Cisco,HP,Finisar,3com, etc. 1.25G , Fiber Optical Transceiver ,CWDM-GBIC-1550nm ,GBIC transceiver,