Class B AIS transponder using SOTDMA, with 5W output, SD logging and GPS-500. Higher transmission rate and range than standard Class B AIS.

NAIS-500 Class B AIS including NSPL500 VHF/AIS Antenna splitter and GPS500 antenna. Broadcast your location to anyone nearby with an AIS Receiver. A low cost safety system for recreational vessels and smaller professional vessels in near coastal waters.

Compact Class B AIS transponder with GPS antenna, waterproof, lightweight, and ideal for coastal cruising and small craft.

NSPL-500 AIS/VHF Antenna Splitter - Enables use of one VHF antenna on the vessel for both VHF and AIS.