The Approved Technology SFP-CW-1G-EX40-51-C is a 1G CWDM Small Form-factor Pluggable (SFP) transceiver, meticulously engineered for high-speed data transmission across single-mode fiber optic cables. Operating at a specific CWDM wavelength of 1510nm, this module facilitates reliable communication over extended distances of up to 40 kilometers. This SFP transceiver is designed to meet the demands of modern networking environments, offering a compact and efficient solution for Gigabit Ethernet applications. Its hot-pluggable design allows for easy installation and replacement, minimizing downtime and maximizing network uptime. Supreme Components International is an authorized distributor of Approved Technology, ensuring you receive genuine, high-quality components. This transceiver is perfect for telecommunications, data centers, and enterprise networks requiring long-reach connectivity.