![]() Finally, all AIS transponders must also have their own GPS system embedded within the unit and as a result, all units also need a GPS antenna which is typically supplied in some form with the transponder. This is usually done via a physical toggle switch and / or via a software setting. Another point worth noting is all AIS transponders have some method for putting the device into “silent mode” which means it turns off the transmission of AIS data but the device continues to function as an AIS receiver. Either way, the AIS data output by the transponder you choose is the same. In other words, if you have an all Garmin network on your boat, for example, you can go with the Garmin AIS 800 Class B Transponderif you want to maintain a single brand or you can go with any other AIS transponder from any other brand. It is also important to note that AIS information output by all transponders conforms to NMEA 0183 and NMEA 2000 standards so any AIS transponder can be used with any modern chart plotter. All of the products we sell on the Milltech Marine website are FCC authorized and US Coast Guard approved.Īll of our AIS transponders support NMEA 0183 and/or NMEA 2000 for interfacing with chart plotters and USB and/or Wi-Fi for interfacing with navigation programs on a Windows or Mac computer. Be aware that there are non-certified AIS devices sold on Amazon, eBay and other online markets that cannot be legally used in North America. When we say “legitimate AIS transponders” we mean devices that have a Grant of Equipment Authorizationby the Federal Communications Commission (FCC) and ideally are on the US Coast Guard Approved Equipment Listin the USA or the equivalent agencies in other countries. All AIS transponders receive all types of AIS transmissions from other nearby AIS devices and they all – once programmed – transmit your own vessel’s information. All are put through the same internationally recognized test suites and are certified by various national and international testing agencies. Start with the basicsĪs a starting point, all legitimate AIS transponders (also known as AIS transceivers) do exactly the same thing. ![]() ![]() In this article, we’ll attempt to define what those major differences are and how to choose the right model for you. By this we mean what else is included with the AIS transponder in the way of additional functionality (such as an integrated AIS/VHF antenna splitter) or additional interfacing options such as Wi-Fi support. The second factor that impacts prices are integration features beyond the basic AIS transmit and receive capability. Vesper Marine was also recently acquired by Garmin. Vesper Marine is a well-known AIS brand and often their products tend to be premium priced. ![]() You will typically pay a bit more for mainstream brand products from Garmin, Raymarine, Simrad, and Furuno. Typically, there are two major factors that go into the price differences.įirst, the manufacturer brand plays a role in pricing. There are dozens of models of AIS transponders to choose from and prices range from around $500 to well over $1,000 for a Class B AIS transponder. ![]()
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