1000 Mbps (1 Gbps) | Single Mode Fiber | LC | 40 km (24.8 mi) | Lifetime WarrantyThe GLCEXSMDST is a Cisco GLC-EX-SMD compatible fiber transceiver module that has been designed. programmed and tested to work with Cisco® brand switches and routers. It delivers dependable 1 GbE connectivity over fiber cable. for 1000BASE-EX compliant networks. with a maximum distance of up to 40 km (24.8 mi).Technical Specifications:• Wavelength: 1310 nm• Maximum Data Transfer Rate: 1.25 Gbps• Type: Single Mode Fiber• Connection Type: LC Connector• Maximum Transfer Distance: 40 km (24.8 mi)• MTBF: 3.013.496 hours• Power Consumption: Less than 1 Watt• Digital Diagnostics Monitoring (DDM): YesThis SFP fiber 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.