They are easy to carry and protected from damage caused by dust and other substances by the case. The TP-LINK RT–AC66U comes with many options that include a VPN. Portable wifi routers are smaller than traditional home routers and can be put in your pocket. This makes them ideal for long-distance trips. The most important thing to look for in a portable wifi router is its battery longevity. The simplest models cover 3G and 4G signals however, the latest models come with 5G coverage. This is something that you must be aware of before purchasing. This way, you will avoid having to purchase another unit if you don’t like the one that you already own. Portable WiFi routers are a must-have to take with you on your travels. They help you stay connected when you travel. They can be used for school, work or even for fun. The majority of portable WiFi devices will let you access the internet from a range of mobile devices.