R802 is a high performance 4G plug-in router. It supports both 4G Internet access and broadband dial-up Internet access modes, and can realize hot backup of 4G and WAN networks. metal body with good heat dissipation. 3 removable high gain antennas not only make it easy to replace the high gain antennas according to the environment to enhance the signals, but also meets the personalized installation needs of professional scenarios.