通信行业跟踪报告：继续关注光模块的代际升级以及液冷等散热产品的技术和渗透率提升

Investment Rating - The industry investment rating is "Outperform the Market," indicating an expected relative increase of over 10% in the industry index compared to the broader market within the next six months [22]. Core Insights - The report emphasizes the ongoing upgrade of optical modules from 800G to 1.6T/3.2T, driven by the demand for AI computing power and supported by government policies. This transition is expected to enhance the performance and efficiency of optical modules [1][9]. - The cooling technology sector is also highlighted, with advancements in liquid cooling technologies such as immersion cooling and microchannel cooling, which are anticipated to benefit from the increasing demand for green energy and efficient computing solutions [1][9]. - The satellite internet sector is poised for growth due to the optimization of the charging standards for space services, which is expected to foster the development of the satellite internet ecosystem in China [1][9]. Summary by Sections Industry Overview - The communication industry has shown stable performance in the first two months of 2026, with a total telecom business revenue of CNY 290.4 billion, reflecting a year-on-year decline of 1.7%, but an 8.4% increase when adjusted for constant prices [17]. - The number of 5G base stations reached 4.909 million, with a net increase of 70,000 from the previous year, accounting for 38% of all mobile base stations, an increase of 0.4 percentage points from the end of the previous year [17][20]. Optical Modules & Cooling Technologies - The Shenzhen government has initiated a plan to enhance the AI server industry chain, focusing on the upgrade of optical modules and the development of advanced cooling technologies. The plan aims for significant growth in production capacity and market share by 2028 [2][17]. - Key developments include the promotion of high-speed, low-power silicon optical modules and the advancement of core technologies such as lithium niobate and indium phosphide [2][17]. Satellite Internet - Recent adjustments to the satellite frequency fee standards are expected to streamline the charging process for satellite operators, which could lead to a more robust satellite internet industry in China [21]. - The new fee structure will charge based on actual bandwidth usage, which is anticipated to lower costs and encourage investment in satellite technology [21].