Navico NAIS-500 AIS with NSPL-500 Splitter and GPS Sensor [000-13963-001]**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 here to download form. NAIS 500 Class B AIS w GPS 500 Antenna Reduce your risk of collision with this fully integrated, Class B AIS