External Antenna Slot: 1 port Power and WiFi hotspot When connected to a power adapter or portable power, it can broadcast WiFi and allow tablets, computers, mobile phones and gaming devices to access the 4G mobile network. On the move, it supports wireless operation via WiFi and includes one USB interface for connectivity. Antenna installation note Usually no antenna is required. If you install an antenna, avoid applying excessive force to prevent damage to the antenna connector. LTE speed and compatibility LTE speed up to 150 Mbps. U6 Europe version 4G bands: B1/3/7/8/20/38/40/41. Use scenarios Home or small office backup internet: provides wireless access for multiple devices when fixed broadband is unavailable or unstable. Travel and remote locations: reliable 4G WiFi hotspot in hotels, remote work sites or temporary setups. Mobile environments: convenient hotspot for cars, caravans, or onthego connectivity for smartphones, tablets, laptops and gaming devices.