The TP-LINK 10/100 Mbps WDM Media Converter extends your network reach over long distances using existing fiber optic cables. This compact device converts electrical signals to optical and back, enabling reliable data transmission up to 2 km on single-mode fiber or 550 m on multimode fiber. Perfect for connecting distant network segments, surveillance systems, or bridging locations where standard copper cabling falls short. Features auto-sensing 10/100 Mbps Ethernet ports, low power consumption, and a compact DIN-rail mountable design suitable for both indoor and outdoor installations. Includes one media converter unit with necessary connectors and mounting hardware.