Navico NAIS-500 Class B AIS w/GPS-500 Antenna TPALOCK3 High-Flow Performance: The five-chamber diaphragm

High-Flow Performance: The five-chamber diaphragm design delivers up to 5

Inner Diameter: 1

2 sturdy adjustable nylon-covered bucket seats

Switch locks in the on or off position

Compact size with ergonomic grip

Navico NAIS-500 Class B AIS w/GPS-500 Antenna TPALOCK3 High-Flow Performance: The five-chamber diaphragmNAIS 500 Class B AIS with GPS 500 Antenna Includes Programming **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. Reduce your risk of collision with this