The SFP1000LHST is an MSA compliant fiber SFP transceiver that's designed, programmed and tested to work with 1000BASE-LH compatible MSA switches and routers. The SFP transceiver module supports a maximum distance of up to 40 km (24.8 mi) and delivers dependable 1 GbE connectivity over fiber cabling. Technical Specifications: Wavelength: 1310nm Maximum Data Transfer Rate: 1.25 Gbps Type: Single Mode Fiber Connection Type: LC Connector Maximum Transfer Distance: 40 km (24.8 mi) Power Consumption: Less than 1 Watt DDM: Yes This SFP fiber module is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions. StarTech.com SFPs All 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. More from the Manufacturer More from the Manufacturer