Core Viewpoint - The Wuxi Radio Association held its first Radio Technology Forum and 2025 Annual Meeting, focusing on technological innovation and high-quality development in the radio industry, gathering experts, scholars, and enthusiasts to share knowledge and experiences [1][3]. Group 1: Event Overview - The forum was organized by the Wuxi Radio Association and addressed key topics such as technological innovation, industry applications, and emergency communications [3]. - The event featured over 10 guest speakers, including officials from the Wuxi Municipal Bureau of Industry and Information Technology, who provided legal and regulatory insights on radio usage [3]. Group 2: Regulatory Changes - The new Amateur Radio Station Management Measures, effective from March 1, 2024, will remove age restrictions for amateur radio operator exams, allowing minors to apply for Class A licenses [3]. - Minors will be permitted to set up and use amateur radio stations within the 30-3000 MHz frequency range, with a maximum transmission power of 25 watts [3]. Group 3: Technical Discussions - Experienced enthusiasts discussed various technical topics, including advanced radio communications, shortwave communication, and base station construction [4]. - The forum included a presentation on multi-network integration communication solutions for large events and emergency communications [4]. Group 4: Community Engagement - The forum combined offline interactions with online live streaming, attracting numerous radio enthusiasts [5]. - Awards were presented for emergency communication pioneers and outstanding participants, and experts were appointed as honorary lecturers for the association [5]. Group 5: Future Directions - The Wuxi Radio Association aims to leverage the forum as a starting point to promote technological innovation and industry collaboration, contributing to the development of smart cities and the digital economy [5].

Core Viewpoint - The article discusses a groundbreaking non-contact atrial fibrillation (AF) detection system developed by a research team from the University of Science and Technology of China, which utilizes radio technology and artificial intelligence to detect AF without the need for physical contact or equipment [2][4]. Group 1: Technology Overview - The new system employs AI and radar technology to monitor heart movements via radio waves, achieving AF detection without any physical contact or operational requirements [4][11]. - The system's performance is comparable to traditional ECG methods, with a sensitivity of 0.844 and specificity of 0.995, based on tests conducted on 6,258 outpatient patients, including 229 AF patients [7]. Group 2: Practical Applications - The system has been validated in real-life scenarios, successfully detecting AF in two out of 27 subjects before clinical diagnosis during sleep [7][9]. - It shows potential for lifelong proactive monitoring of AF progression, integrating seamlessly into daily life activities such as sleep or work [11]. Group 3: Innovations and Methodology - Key innovations include a millimeter-wave radar designed to capture minute heart movements and the use of knowledge transfer techniques to train AI models based on existing ECG datasets [9][11]. - The system aims to enhance existing AF screening and diagnostic workflows, promoting personalized and proactive management strategies in cardiovascular healthcare [11].