Core Insights - Satellite baseband chips are crucial for integrated air-ground communication, with market growth accelerated by the explosion of low-orbit constellations and the maturation of direct satellite connection technology [1][15] - Chinese companies, represented by Huawei HiSilicon and Unisoc, are making significant technological breakthroughs, laying the foundation for a self-controlled industrial chain [1][15] - By 2028, the Chinese satellite baseband chip market is expected to exceed 28 billion yuan, forming a tripartite structure among the vehicle networking, consumer electronics, and low-altitude economy sectors [1][15] Industry Overview - Satellite baseband chips are the core components of satellite communication systems, responsible for digital signal conversion, modulation, demodulation, protocol control, and data processing [2][4] - The industry has evolved from reliance on imports to achieving significant domestic innovation, with key milestones including the launch of the first fully autonomous "Navigation No. 1" chip in 2008 [6][8] Current Market Analysis - The penetration rate of smartphones supporting satellite communication is projected to rise from less than 10% in 2023 to over 30% by 2025 [1][15] - The demand for vehicle-mounted satellite communication chips is expected to maintain an annual growth rate of over 50% due to the rapid development of smart connected vehicles [1][15] - The market for satellite communication chips in the low-altitude economy is anticipated to surpass 10 billion yuan in the next three years [1][15] Competitive Landscape - The industry exhibits a "pyramid" competition structure, with leading companies like Huawei HiSilicon and Huali Chuantong at the top, followed by firms like Unisoc and Hezhong Star [17][19] - The overall landscape is characterized by military-driven innovation, civilian market expansion, and breakthroughs in technology, with a focus on high-reliability military chips and consumer applications [19] Future Trends - The industry is expected to undergo a transformation driven by technological autonomy, expanding application scenarios, and collaborative development across the supply chain [22][25] - Key advancements include the development of multi-mode compatible chips and quantum-safe encryption technologies, which will help break foreign technology monopolies [24][26] - The satellite baseband chip sector is becoming a core infrastructure of national digital economy strategy, with projections indicating a potential market impact exceeding 3 trillion yuan [27]