A portable 4G/5G WiFi router can help travellers access online maps, transport information, booking services, translation tools, and other useful travel applications. By connecting a smartphone or tablet to mobile internet, it can support trip planning and provide access to updated information while moving between destinations. Its usefulness depends on the availability of a compatible mobile network and an appropriate data plan. Travellers should remember that a router does not replace a device's GPS capability and does not guarantee internet access in areas without cellular coverage. Downloading offline maps, saving important reservations, and checking roaming arrangements before departure can reduce disruptions and make travel planning more convenient.