The TP-Link 4G LTE Router (e.g., TL-MR100/TL-MR6400) is a factory-unlocked, plug-and-play device that shares 4G LTE signals with up to 32 devices via Wi-Fi or Ethernet at speeds up to 150 Mbps. It works with all major network SIM cards worldwide, making it ideal for rural, backup, or mobile internet, requiring no configuration