NAIS-500 Class B AIS with GPS-500 Antenna - Includes ProgrammingAs 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 owners signature on the completed programming form.Click here to download form.Reduce your risk of collision with this fully integrated, Class-B AIS transponder - essential