The SFPGESST is a Cisco SFP-GE-S compatible fibre transceiver module that has been designed, programmed and tested to work with Cisco brand switches and routers. It delivers dependable 1 GbE connectivity over fibre cable, for 1000BASE-SX compliant networks, with a maximum distance of up to 550 m .Technical Specifications:Wavelength: 850nmMaximum Data Transfer Rate: 1.25 GbpsType: Multi Mode FibreConnection Type: LC ConnectorMaximum Transfer Distance: 550 m MTBF: 3, 381, 761 hoursPower Consumption: Less than 1 WattDigital Diagnostics Monitoring : YesThis SFP fibre module is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions.StarTech.com SFPsAll StarTech.com SFP & SFP+ transceiver modules are backed by a lifetime warranty and free lifetime multilingual technical support. StarTech.com offers a wide variety of SFP modules and direct-attach SFP cables, providing the convenience and reliability you need to ensure dependable network performance.