It can be charged via an external outlet, which means you can take it with wherever you go. Many portable wifi routers are available for travelers. The best routers can be carried in a backpack , or bag. You can also buy a wireless device that connects to a laptop via USB and is powered by the power cord. Having a powerful portable wifi router is crucial when you travel. It is important that you can access it from anywhere. Most portable WiFi devices allow you to access the internet using a variety of mobile devices. A high-quality device will work with a range of mobile devices, and let you stay connected wherever you are. When you are away from your home, having an internet connection that is reliable is vital. A portable WiFi router that is reliable will allow you to keep your personal information secure. The most portable WiFi router for travel is one that provides dual-band and cellular connectivity. The battery in the internal unit is rechargeable at the wall and has up to 10 hours.