Digital Yacht AIT6000 Class B+ AIS Transponder [ZDIGAIT6000]**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. AIT6000 Class B+ AIS Transponder Nucleus Class B + AIS Transponder with SPAIS satellite AIS