StarTech Gigabit Fiber SFP Transceiver Module This StarTech.com Gigabit fibre SFP is engineered to deliver reliable network connections. Built to exacting specifications and fully tested to ensure maximum performance, this high-quality fibre transceiver module can be installed into Cisco switches and routers that support the GLC-LH-SMD transceiver module, as well as other major brands of networking equipment. It provides a dependable and cost-effective way to add, replace or upgrade the ports on your 1000Base-LX/LH networking equipment, and it’s backed by a lifetime warranty.Please note this item is non-returnable, see our returns policy for more information.