100% 10GBase-LR. Guaranteed. The sfp-10gbase-lr-st is an 10G MSA Compliant fiber SFP+ transceiver that's designed, programmed and tested to work with 10GBase-LR compatible MSA switches and routers. The SFP+ transceiver module supports a maximum distance of up to 10 km (6.2 mi) and delivers dependable 10 GbE connectivity over fiber cabling. &Nbsp; technical Specifications: wavelength: 1310nm maximum data transfer rate: 10 Gbps Type: single mode fiber connection Type: LC maximum transfer distance: 10 km (6.2 mi) MTBF: 646, 156, 559 hours power consumption: digital Diagnostics Monitoring (DDM): Yes this SFP+ fiber module is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions.&Nbsp; Star Tech sfps all Star Tech SFP & SFP+ transceiver Modules are backed by a lifetime warranty and free lifetime multilingual technical support. Star Tech offers a wide variety of SFP+ modules and direct-attach SFP+ cables, providing the convenience and reliability you need to ensure dependable network performance.&Nbsp;