The Cisco GLC-LH-SMD SFP transceiver is a plug-in module designed for use in SFP network ports, offering a maximum data rate of 1.25 GB over a maximum transfer distance of 10km. It features LC/PC connectors and operates at a wavelength of 1300-nm, suitable for both single-mode and multi-mode fibre optic cabling types. This Cisco product is part of the Enterprise product line and is brand new and sealed, ideal for use in enterprise networking setups requiring reliable and high-speed connections.