1、Fiber Type: 25Gb/s rate, up to 20KM transmission distance, with DDM function, compliant with IEEE 803z standard. 2、Excellent Heat Dissipation: Less than 05W power dissipation and thermal pads provide great heat dissipation. 3、Plug and Play: Plug and play, hot swappable, simple operation, easy to use, with great performance. 4、Broad Compatibility: Widely used in fiber optic switches, routers, servers, firewalls or other fiber optic equipment with 25Gb SFP ports. 5、Premium Material: Made of zinc alloy, manufactured under strict quality control system, each module is tested one by one on different switches before leaving the factory to ensure compatibility with different brands of switches. 1 x SFP Module Item Type: SFP ModuleMaterial: Zinc AlloyProduct Model: SFP GE SC SM1550Speed: 1.25GTransmission Distance: 20kmWorking Wavelength: TX1550/RX1310nmApplicable Equipment: Suitable for Fiber Switches, Routers, Network Cards Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.