On April 18, 2019, guangdong Maritime Safety Administration held in Zhuhai .The PSC North - South rivalry. Perfect curtain down. What is different is that spectators can not only watch the event on the spot, but also watch the live broadcast from the monitoring room tens of kilometers away, which improves the enjoyment of the event. And the construction of the live broadcast platform of this event is perfectly assisted by the wireless high-speed link set up by our company. The construction of high-speed wireless link has overcome a series of difficulties such as difficulty in equipment installation, large occlusion, large signal interference and long transmission distance, etc., finally successfully helped maritime Safety Administration complete the live broadcast task of this competition, which has won unanimous praise from all circles. In the monitoring center, spectators can get the progress of the race in real time, which can not only clearly see the operation details of the race personnel, but also facilitate the observers to comment on and discuss the process and operation of the race personnel, which promotes the exchange of experience between different departments and improves the overall situation. Operations & throughout; Ability to present a gift for the 70th anniversary of the motherland.