Features: 9PIN XMD BOX package Data rates up to 25Gbps EML chip For use up to 40km LWDM wavelength Integrated micro-TEC and thermistor Diff 50ohm impedance LC receptacle FPC connected Case operating temperature: -5℃ to +75℃ and can extend -40℃ to +85℃ Applications: SFP28 ER LWDM Other transceivers