is an innovative multimode receiving terminal specially developed by our company for the scenarios of lakes, inland rivers, offshore vessels, shore based, and offshore operating platforms, which can be applied to life jackets, life rafts, onboard flat panels, and various emergency position indication alarms. This terminal is based on the new generation AIS+DSC VDL (VHF Data Link) universal maritime navigation Internet of Things protocol, featuring small size, low power consumption, long-distance, and high sensitivity.