These are Small form factor pluggable (SFP) transceivers compatible with multi-sourcing agreement (MSA). It is suitable for single-mode fibre (SMF) communications in 1.25Gbps Ethernet and 1G/2G Fibre Channel.FEATURES Up to 1.25Gbps data links 10Km with 9/125µm SMF  1310nm FP /1490nm PIN laser  Simplex LC Connector Hot-pluggable SFP footprint Single 3. 3V power supply Operating temperature Commercial: 0°C to 70°C Industrial: -40°C to 85°C RoHS Compliant APPLICATIONS 1.25Gbps 1000Base-LX WARRANTY3-years limited warrantyTAA-approved SFPs available upon request, Contact us for more details.