4G Wireless Router With SIM Card Slot: The IMILINK LR112 Portable WiFi 3G/4G Router is at the forefront of wireless 4G sharing. Just insert a 4G SIM card into the device to instantly establish a selectable dual band Wi-Fi hotspot. With up to 100Mbps download and 50Mbps upload speeds, this IMILINK LR112 Portable WiFi 3G/4G