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Metadata AIS Class B transceiver Receives and sends AIS data Includes internal GPS antenna Metadata AIS, MFG# MDA-1, Class B transceiver, receives and sends AIS data, showing other vessel's position, speed, and course on your chartplotter or radar, and allows your data to be seen by other vessels. NMEA 0183/2000. Includes internal GPS antenna. Receives and sends AIS data.
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