This star tech com gigabit fiber sfp is engineered to deliver reliable network connections built to exacting specifications and fully tested to ensure maximum performance this high quality fiber transceiver module can be installed into cisco switches and routers that support the glc lx sm rgd transceiver module as well as other major brands of networking equipment this 1000base lx sfp delivers gigabit connectivity over single mode fiber cable with a range of up to 10 km 6 2 mi it pro