The portable drone countermeasure device F-05s adopts ultra-high frequency broadband seamless interference technology, with a built-in modular power system that supports quick replacement, and an intelligent temperature control dual fan cooling structure to ensure long-term stable operation of the device. It can accurately suppress the drone control link and image transmission channel. The body adopts a lightweight and compact design, which can selectively block target signals in complex electromagnetic environments and avoid affecting peripheral devices. The core components are equipped with high stability components, combined with a slow start circuit design, greatly improving the durability and safety of the equipment. The whole machine combines portability and high power output characteristics, adapting to various outdoor application scenarios.