Licensed ICOM MA500TR Japanese marine transponder for boats and yachts AIS Transmit and Receive Class B AIS for non-SOLAS vessels, such as pleasure boats, workboats, and small ships. Your vessel's information will be transmitted automatically at set intervals or under base station control. The MA-500TR receives two AIS channels (Channel 87B and Channel 88B) simultaneously, and receives information from both Class A and B. The information transmitted from the MA-500TR is: MMSI code Ship name Call sign Ship type GPS antenna position Ship position Speed Over Ground (SOG) Course Over Ground (COG) UTC Date and Time GPS antenna type Position Accuracy (PA) For more information, please contact us via private message or phone, and visit our website.