A portable router is a compact device that allows users to access the internet wirelessly while on the go. It connects to a mobile data network, enabling multiple devices, such as laptops and smartphones, to share the internet connection. This is especially useful for travelers or those in areas without reliable Wi-Fi access. These routers often come with rechargeable batteries, making them convenient for outdoor activities or remote work. Many models support various network standards, such as 4G or 5G, providing fast internet speeds. Users can easily set them up and connect their devices without complicated installations.