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Routers are devices that connect multiple networks and enable communication between them by forwarding data packets. In the context of Network Infrastructure, routers serve as crucial components in building and managing complex network systems. They operate at the third layer (network layer) of the OSI model and use routing tables to determine the best path for data transmission. As a component of Network Hardware, routers come in various forms and sizes, from small devices used in home networks to large, powerful units designed for enterprise-level network environments. They support different communication protocols such as Ethernet, Wi-Fi, and cellular, making them essential elements in Technology and Internet of Things (IoT) deployments. By interconnecting devices and networks, routers facilitate the seamless exchange of data, ensuring efficient communication between IoT devices and other network components. Their role in Network Infrastructure is pivotal for maintaining a reliable and secure network environment, making them indispensable for organizations seeking to harness the full potential of Technology and IoT applications.