The Cisco MGBLH1 Gigabit LH Mini-GBIC SFP Transceiver is designed for long-haul fiber-optic connections in enterprise and data center networks. It supports Gigabit Ethernet speeds and operates over single-mode fiber (SMF) with a range of up to 40 kilometers. The hot-swappable SFP form factor ensures easy installation and replacement, making it a reliable choice for extending network reach.