The portable FPV detection and video transmission capture device integrates detection, video interception, and video storage into one system. It features full-band detection, FPV analog video transmission detection, video interception, display control, and video storage functions. In complex electromagnetic environments, it can accurately identify quadcopters, fixed-wing drones, DIY models, and FPV drones, and provide sound, light, and vibration alarms. This device is suitable for scenarios such as routine patrols, critical target protection, unit-level operations, and investigation and evidence collection.