H03 is a portable FPV multi-functional drone countermeasure developed and produced by our company. The device can interfere with 300-600MHz,600-1000MHz, 1-1.8GHz, 1.8-2.4GHz and 5-6.2GHz frequency bands of FPV traversing drones, forcing the drones to be remotely controlled, interrupting the signals to achieve forced landing/returning to the flight, and the interference working distance is 2000 metres. Built-in 5000mAh battery, can be used continuously for 1-1.5 hours.