TP-Link 300Mbps Wireless N 4G LTE RouterTPLINK 300MBPS WIRELESS N 4G LTE ROUTER PRODUCT DESCRIPTION Plug and Play, No Configuration Required With an integrated 4G LTE modem and a built in SIM card slot, all you need to do is insert a SIM card and turn on the router. Enjoying fast, stable Wi Fi on a 4G LTE network has never been easier. Share Your 4G LTE Network Take full advantage of your cutting edge 4G LTE network with the TL MR6400, which can achieve download speeds of up to 150 Mbps.