With the vigorous development of maritime transport in China, maritime traffic safety issues are increasingly emerging. As a result, vessel traffic management system (VTS) has become an indispensable tool for maritime security. As an important part of VTS, VHF communication device is the main means of communication on site in waterborne traffic field, which can undertake communication between ships and shores, ship internal radio communication. It can also be applied to search-and-rescue in distress, ship c...