Core Viewpoint - The article emphasizes the growing importance of radio frequency front-end modules in smartphones, particularly in the context of 5G technology, highlighting China's progress in this high-tech field and the competitive landscape among domestic and international players [1][2][6]. Summary by Sections Radio Frequency Front-End Modules - Radio frequency front-end modules, consisting of components like power amplifiers (PA), low noise amplifiers (LNA), switches, and filters, are critical for signal transmission and reception in smartphones [1]. - The complexity of these modules is increasing due to high integration requirements and the need to support multiple frequency bands, particularly in the Sub3G L-PAMiD category [1][2]. Technical Challenges - The development of high integration modules like Sub3G L-PAMiD faces significant challenges, including high design complexity, fragmented frequency bands, and stringent size and packaging requirements [1]. - The design and packaging of filters and duplexers for these modules require advanced techniques and materials, with a focus on minimizing size while maximizing performance [1][4]. Market Dynamics - Major smartphone manufacturers are increasingly adopting high integration L-PAMiD modules, with Chinese brands achieving significant milestones in domestic production and design capabilities [2][3]. - The market for radio frequency front-end components is evolving, with a shift from lower integration solutions to more complex, high-performance modules [3][6]. Future Trends - The future of radio frequency front-end technology is geared towards higher performance, greater integration, and smaller sizes, driven by the demands of 5G and beyond [4][5]. - Emerging technologies such as ultra-wideband and carrier aggregation are becoming critical for achieving high data rates in 5G, necessitating advancements in linearity and isolation in front-end components [5]. Industry Positioning - China's radio frequency front-end industry is transitioning from a technology follower to a standard setter, with opportunities to capture greater market share in the 5G and 6G eras [6]. - The industry's growth is supported by strong market demand, capital investment, and technological advancements, although challenges remain in certain core materials and high-end manufacturing equipment [6].

经济观察网讯 据紫金山天文台消息，6月5日，《国家科学评论》（National Science Review）在线发表 了题为Achieving 500-GHz communication over 1.2 km using an astronomical telescope with a quantum- limited superconducting receiver的研究论文，该成果由中国科学院紫金山天文台牵头的联合实验团队完 成。 研究工作得到国家自然科学基金委、科学技术部、中国科学院以及中国工程物理研究院的支持。 (a) 基于太赫兹天文望远镜作为接收端的太赫兹通信系统概念图，背景显示青藏高原地区可沉降水汽含 量（PWV）的分布；(b) 雪山牧场500 GHz通信系统照片；(c) 60厘米口径太赫兹天文望远镜照片；(d)、 (e) 太赫兹通信系统的发射与接收原理图；(f) 通信系统接收终端照片；(g) 超导隧道结混频器输出的中 频信号频谱；(h)、(i) 在年平均和冬季大气条件下，雪山牧场15米亚毫米波望远镜与卫星之间通信速率 与发射功率关系的定量分析结果。 2024年10月，该研究团队在青海省海西州 ...