新京报记者 彭冲 实习生 姜妍羽 编辑 甘浩 校对 贾宁 云南大理龙龛码头被曝有人恶意放置信号屏蔽器一事还在持续发酵。 一台外观类似充电宝的小巧设备，导致区域内多家商户网络受到影响，破坏性不容小觑。8月23日，新 京报记者了解到，目前涉事设备已被警方扣押，案件还在办理程序中。 按照我国法律规定，信号屏蔽器有其特定使用场景，个人未经许可不得擅自购买、使用。 但记者查询发现，这并不是第一次出现类似案件，而且，购买一台信号屏蔽器，并不是难事。在多家电 商平台和社交媒体上，尽管平台发出"拒绝非法用途"和"禁售"的提醒，但还是有不少卖家通过替换关键 词等手段，规避审核，打出可帮助孩子戒网瘾、防录音、防定位等广告，售卖不同规格的信号屏蔽器， 并告知买家：不需要报备就可以使用。 然而，律师提醒，买家一旦购买、使用，就涉嫌违法，或将受到处罚。如果影响公共安全、造成严重后 果，还可能被追究刑事责任。 摄影师发现的信号屏蔽器。 图/摄影师社交媒体截图 "黑色盒子" 8月19日，一位摄影师在社交媒体上发布视频称，自己在大理龙龛码头发现了一个处于工作状态的信号 屏蔽器。 视频画面显示，这是一个看起来像充电宝的黑色盒子，体积小巧。 据 ...

Core Viewpoint - The recent malicious placement of signal jammers in the Dali Erhai area has raised public concerns regarding the availability and legality of privately installed devices [1] Group 1: Availability of Signal Jammers - Signal jammers are not easily accessible like ordinary products; they cannot be purchased directly on popular e-commerce platforms such as Taobao, JD, or Pinduoduo due to prohibitions [1] - However, signal jammers can be found on B2B platforms, but the purchasing process has become stricter, requiring buyers to provide relevant qualification documents for order confirmation [1] - This design aims to prevent misuse but exposes regulatory loopholes, as malicious users may forge qualifications to obtain devices [1] Group 2: Legal Implications of Private Installation - The unauthorized installation of signal jammers directly violates Article 6 of the "Radio Management Regulations of the People's Republic of China," which prohibits individuals from using radio frequencies without authorization and causing harmful interference to lawful radio services [2] - The Dali Erhai incident exemplifies harmful interference, as the malicious placement of jammers disrupted communication for surrounding users, constituting a legal violation [1][2] Group 3: Legal Pathways for Authorized Installation - Enterprises needing to install signal jammers for legitimate purposes, such as confidential meetings or examination venues, can follow a legal application process [2] - Applicants must meet four conditions: the requested frequency must comply with regulations, have a clear purpose, possess technical feasibility, and not interfere with other lawful frequencies [2] - The review process by radio management authorities takes up to 20 working days, and upon approval, a radio frequency usage permit is issued, detailing usage scope and conditions [2] Group 4: Consequences of Violations - Penalties for unauthorized installation of signal jammers escalate based on the severity of the violation; first-time offenders may receive a warning and have their devices confiscated [3] - Continued violations or commercial exploitation of jammers can lead to fines ranging from 50,000 to 200,000 yuan, with severe cases potentially reaching up to 500,000 yuan [3] - This penalty structure reflects a principle of "education first, punishment second," but malicious actors face significant repercussions [3] Group 5: Broader Implications - The Dali Erhai incident highlights communication security vulnerabilities and serves as a legal warning regarding the illegal use of signal jammers [4] - Public awareness of legal implications is crucial, and regulatory bodies must enhance control measures to prevent similar incidents and protect public communication channels [4]