This is a professional handheld ground control station, which can be widely applied in different industries, such as public security, fire protection, environmental protection, etc. It has built-in cold bolt and heating function, so it can be used even under low temperatures. The entire machine body is highly ergonomic, so it fits snugly in the palm. The design of key and roller has also taken the interpersonal interaction of users into consideration, supporting excellent haptics, better organization and avoidance of mistaken touch.