Tp-link tl-mr3420 3g/4g wireless n router overview -compatible with lte/hspa+/hsupa/hsdpa/umts/evdo usb modems, tested in the field -3g/4g and wan connection backup guarantees an “always-online” internet connection -local wireless hd video sharing, with speeds up to 300mbps -easy one-touch wireless security encryption with the wps button -bandwidth control allows administrators to determine how much bandwidth is allotted to each pc * 4g lte modems compatibility apply to tl-mr3420 version 2.0 only. what this product does 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