High-performance PCBA assembly for mobile hotspot devices, integrating 4G/5G modules, WiFi routing chips, and power management systems. It can convert mobile network signals into WiFi signals, providing wireless network access for multiple devices such as mobile phones, tablets, and laptops. We adopt high-speed data processing technology and long-battery-life design, ensuring stable network transmission and long-term use, and adapting to portable mobile hotspots and home mobile hotspots, meeting the outdoor and home network needs of users.