The Netgear Unite Express 2 (AirCard 797S) is a 4G LTE mobile WiFi hotspot modem designed by NETGEAR specifically for AT&T's network. It offers a maximum wireless data rate of 400 Mbps and has a compact black design with a micro USB port for connectivity. The device is unlocked, making it compatible with various devices, and features one LAN port for connecting a PC or other devices. Ideal for those who need fast and reliable internet connectivity on the go, this mobile hotspot modem provides a seamless connectivity experience for users.