The GLC-LX-SM-RGD is a rugged SFP (mini-GBIC) transceiver module designed for 1000BASE-LX/LH Gigabit Ethernet over single-mode fiber. It supports data rates up to 1Gbps and delivers connectivity up to 10 kilometers using a 1310nm wavelength. Built for harsh environments, it features an extended operating temperature range and a Duplex LC connector, making it ideal for Cisco industrial routers and switches in outdoor or ruggedized deployments.