ModulesSpecifications: 20kmTransmission rate: 1.25G/bsTransmission wavelength: 1270-1610nmUnit weight: 0.015kg1000BASE SFP CWDM optical moduleProduct number:ESCxx12-3LCD80shellMaterial:zinc alloyTransmission rate:1.25GModule type:SFPTransmission wavelength:1270-1610nmTransmission distance:20KM-120KMInterface Type:LCData diagnosis:With DDMOperating temperature:0℃~70℃Operating Voltage:3.3V