["The TP-Link SM311LS (UN) is a reliable 1G SFP transceiver module that can transmit Ethernet signals over single-mode fiber. Ideal for connecting networks over long distances with high signal quality", "1G SFP Interface – Compatible with standard SFP ports", "Single-mode fiber – Supports long distances up to 15 km", "1310 nm wavelength – For reliable long-distance connections", "Plug and Play – Easy installation without additional configuration", "Standards Compliant – Supports IEEE 802.3z 1000BASE-LX standard", "Long-distance connections in corporate networks", "Connecting remote buildings or network nodes", "Networks requiring stable fiber optic communications"]