AMEC B620 Class B AIS Transceiver - 2W CSTDMA, NMEA2000, NMEA 0183, USB [AMEC-B620-010]B620 Class B AIS Transceiver 2W CSTDMA, NMEA2000, NMEA 0183, USB **As the FCC requires all units sold in the US to be programmed by a qualified technician. Please submit the form below for programming at the time of purchase. A copy of the MMSI Registration or FCC Ship Station License is required, along with the vessel master or owner's signature on the completed programming form.** Click here to download form. The B620 is the basic model of AMECs