... 10G sfp 40km 2.OEM/ODM 3.1550nm 4.RoHS-6,UKAS,UL,SGS ,CE,FCC 5.L/T:Stocks 10G base ... Available11.Low Power Dissipation.12.Operation Temperature Range 0~70oC13.RoHS-6 CompliantAdvantages:1.Original factory OEM ODM2.Full product line3 ... .Fast delivery:Most products have stocks5.Certificate:CE,FCC,UKAS,RoHS,SGS,ISO9001Product line