Airtel 4g Hotspot Portable Wifi Router 15 Instructions 62526 Zip CodeThey are easy to carry and are protected from dust and other damages by the case. The TP-LINK AC66U comes with numerous options which include the ability to connect via VPN. Comparatively to traditional home routers These routers are small enough to fit in your pocket, making them perfect for long-distance travel. The most important thing to look for in a portable wifi router is its battery life. The simplest models only provide coverage for 3G and 4G signals . The more advanced models offer 5G coverage. 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. While a lesser-priced model may be more cost-effective in the long term but you must still prepare for future upgrades to ensure you are connected to reliable networks. Another essential feature to look for in the portable WiFi router is its speed. A smartphone is fine for sending and reading texts and emails, but larger files require more speedy Internet connections. A portable WiFi router can offer speeds of up to 30Mbps for speed for download and upload which is a major improvement over older models.