2025 年 12 月 19 日 分析师：陈伟光 S0340520060001 电话：0769-22119430 邮箱： chenweiguang@dgzq.com.cn 周 报 超配（维持） 通信行业双周报（2025/12/5-2025/12/18） 行 业 光模块市场规模持续增长 分析师：罗炜斌 S0340521020001 电话：0769-22110619 邮箱：luoweibin@dgzq.com.cn SAC 执业证书编号： S0340524070002 电话：0769-22119302 邮箱： chenzhanqian@dgzq.com.cn 资料来源：东莞证券研究所，iFind 相关报告 通信行业 投资要点： 本报告的风险等级为中高风险。 本报告的信息均来自已公开信息，关于信息的准确性与完整性，建议投资者谨慎判断，据此入市，风险自担。 请务必阅读末页声明。 SAC 执业证书编号： 通信行业指数近两周涨跌幅：申万通信板块近2周（12/5-12/18）累计上 涨5.92%，跑赢沪深300指数5.79个百分点，涨幅在31个申万一级行业中 位列第2位；申万通信板块12月累计上涨8.49%，跑赢沪深300 ...

Investment Rating - The report maintains an "Overweight" rating for the communication industry, expecting the industry index to outperform the market index by more than 10% in the next six months [2][42]. Core Viewpoints - The year 2025 marks the beginning of 6G standardization, with 3GPP fully initiating research on 6G technology. A unified global technical standard is essential for building the 6G ecosystem and promoting industrial scale applications and sustainable development [3][38]. - The communication industry is currently in a phase of technological iteration and policy dividends, with new productivity directions such as AI, quantum communication, and low-altitude economy expected to continuously release growth momentum. The recovery of cellular IoT modules from inventory adjustments and ongoing construction of communication facilities like base stations and data centers will drive demand for new devices, equipment, and service operations [3][38]. - The report suggests focusing on three main lines of enterprise opportunities: "technology commercialization + policy catalysis + performance certainty" [3][38]. Summary by Sections 1. Industry Market Review - The communication sector index rose by 8.52% over the two weeks from September 5 to September 18, outperforming the CSI 300 index by 5.48 percentage points, ranking 5th among 31 first-level industries. Year-to-date, the communication sector has increased by 63.03%, surpassing the CSI 300 index by 48.72 percentage points [10][11]. 2. Industry News - China Telecom achieved the first 6G standard project approval in the 3GPP, marking a significant milestone in international standardization efforts [14]. - Microsoft signed a $6.2 billion agreement to build AI infrastructure in Norway, aiming to enhance service support for the European market [15][17]. - The global Ethernet switch market revenue reached $14.5 billion in Q2 2025, showing a year-on-year growth of 42.1%, driven by rapid data center expansion [18]. - The global enterprise WLAN market grew by 13.2% year-on-year in Q2 2025, reaching $2.6 billion, fueled by the rapid adoption of new Wi-Fi standards [19]. 3. Company Announcements - China Unicom signed a financial services agreement with its subsidiary, expected to facilitate daily business operations [21][22]. - Guangxun Technology plans to raise up to 3.5 billion yuan for projects related to optical connectivity and high-speed optical transmission [24]. 4. Industry Data Updates - As of July 2025, the mobile phone user base reached approximately 1.815 billion, a year-on-year increase of 2.68% [25]. - The length of optical cable lines reached about 73.77 million kilometers in Q2 2025, a year-on-year increase of 9.91% [31]. - The total number of 5G base stations reached 4.598 million by July 2025, with a net increase of 348,000 from the end of the previous year [35]. 5. Investment Recommendations - The report recommends focusing on companies such as China Mobile, China Telecom, FiberHome, Yangtze Optical Fibre, and Weisheng Information, which are expected to benefit from the ongoing technological advancements and policy support in the communication sector [38].