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Wireless routers are electronic devices primarily used in computer networks to facilitate communication between computers and other networked devices, such as smartphones, tablets, and smart home appliances. They serve as intermediaries that direct data traffic among connected devices, allowing them to interact with each other and the internet seamlessly. Wireless routers enable users to establish wireless local area networks (WLANs), which offer a convenient way to access the internet without having to connect each device via an Ethernet cable. They typically feature multiple built-in antennas that broadcast signals over a designated frequency range, ensuring strong and reliable connections throughout the coverage area. Additionally, they often come with various security features like firewalls, wireless encryption protocols, and guest network options to protect users' privacy and secure their data.