Icom MA-510TR AIS Transponder Class BThe Class B AIS Transponder with GPS navigation function and NMEA 2000 connectivity and receives both A and B AIS signals. With both A and B AIS signals, the range of detection increases safety. Leisure, fishing or cruising vessels can stay safe and informed on the open sea with this feature packed transponder. Output Power: 2W NMEA: NMEA 2000, 0183 HS Connectivity Waterproof Rating: IPX7 Large Color Display The MA 510TR comes with a 4. 3" color TFT