What device would be critical for linking multiple home devices to the internet wirelessly?

A wireless router is essential for connecting multiple home devices to the internet wirelessly. This device serves as a central hub that manages and directs internet traffic between the broadband connection provided by the internet service provider and the various devices in the home network, such as laptops, smartphones, and smart appliances.

The wireless router typically combines the functionality of a modem with that of a wireless access point, allowing users to connect to the internet without the need for physical cables. It broadcasts a wireless signal throughout the home, enabling devices equipped with Wi-Fi capability to access the internet seamlessly. Additionally, most wireless routers include built-in security features that help protect the home network from unauthorized access.

In contrast, while a modem connects to the internet service provider and translates signals, a switch is used for wired network connections within a local area network but does not involve wireless connectivity. An access point extends a wired network wirelessly but does not handle routing functions that a wireless router does. Therefore, the wireless router is uniquely positioned to fulfill the requirement of linking multiple home devices to the internet wirelessly.