- Turn 4G signal into WiFi with the TP-Link M7350 - you just need to pop in a SIM card - You'll get download speeds up to 150 Mbps, so you can browse, stream and chat on up to 10 devices - The 2000 mAh battery gives you up to 8 hours of uninterrupted wifi - that's a full working day - It's got a handy little screen that tells you how much data you've used, signal strength and more - Everything is easy to set up and manage on your phone using the tpMiFi App