This product is specially designed to effectively jam the operating frequencies of UAV communication links and navigation links. It can remotely block UAV navigation, remote control and image transmission links, forcing unauthorized UAVs to return or land, so as to achieve the goal of effective control over such UAVs. With features of multi-frequency coverage, single-soldier portability and a concealed shield-shaped design, it can effectively target UAVs modified with multi-frequency and frequency-hopping functions, and safeguard the low-altitude security of protected areas.