Share the freedom of 3G/4G! The TL-MR3420 3G/4G Wireless N Router allows users to share a 3G/4G mobile broadband connection with family and friends via wired or wireless connections. By connecting a 3G/4G USB modem to the routers, a Wi-Fi hotspot is instantly established, via which multiple devices can access the Internet and share data and applications wirelessly. TL-MR3420 features blazing 4G speeds and backward compatible with 3G modems, allowing users to share a 3G/4G mobile broadband with family and friends via wired or wireless connection. Compatibility is the most important aspect to consider when you’re selecting a 3G/4G router. To ensure the best compatibility between our routers and the modem you would use with the router, TP-LINK has made certain that our 3G/4G Routers are compatible with the ISPs in the regions in which they are sold. We have teams around the globe continually testing our Routers with newly emerged modems to ensure that end users can feel confident that their routers will operate flawlessly where they live and work. The TL-MR3420 stands out with its 3G/ 4G and WAN connection back-up, which keeps users online when one connection fails. TP-LINK’s 3G/4G Router provides users with both 3G/4G Preferred and WAN Preferred back-up modes, while other brands provide one or the other.