Features 1、Fiber Type: 1.25Gb/s rate, up to 550m transmission distance, with DDM function, compliant with IEEE 802.3z standard. 2、Broad Compatibility: Widely used in fiber optic switches, routers, servers, firewalls or other fiber optic equipment with 1.25Gb SFP ports. 3、Excellent Heat Dissipation: Less than 1.05W power dissipation and thermal pads provide superior heat dissipation. 4、Plug and Play: Plug and play, hot swappable, simple operation, easy to use, with good performance. 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. Specification Item Type: SFP Module Material: Zinc Alloy Model: for SFP-GE-SX-MM850 Speed: 1.25G Transmission Distance: 550M Working Wavelength: 850nm Luminous Optical Power: -9 to -3db Acceptance Sensitivity: ≤-18db Die: VCSEL Interface: LC Applicable Equipment: Widely Compatible with Switches, Routers, Firewalls, Network Cards and Other Equipment Package List 1 x SFP Module