AIT1500 Class B AIS Transponder w/Built-In GPS**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 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 to download form.Designed specifically to bring the benefits of Class B AIS to smaller vessels, it uses a high sensitivity internal G