A portable Wi-Fi router creates a private Wi-Fi network by connecting to an existing source, such as a hotel room’s Ethernet ...

called a "portable hotspot," "personal hotspot," "mobile Wi-Fi," "mobile router," "mobile wireless router" or "travel router." Either the fee is added to the user's existing data plan or a new ...

or tethering to your phone as a hotspot, which slows down your phone. Portable routers are the solution, allowing you to set up a persistent network that you take with you wherever you go.