The Lightweight Full-Network Emergency Backpack Base Station is a portable 4G/5G dual-mode communication device designed specifically for emergency communications. Weighing no more than 9 kg, its backpack-style design allows a single person to carry and deploy it with ease. Requiring no complex calibration, it is ready for use upon power-on, enabling true "arrive-and-connect" functionality. The device features full-network compatibility, supporting multiple carriers, and delivers full-service capabilities including voice, data, and video.