Check the listing for details. ACR 2680 AIS-300 Nauticast Class B Automatic Identification System AIS Transpond. Condition: New other (see details). Listed at 350.00 USD. Discover the efficiency of the ACR 2680 AIS-300 Nauticast Class B Automatic Identification System Transponder, a crucial component for marine enthusiasts seeking reliable navigation aid. Crafted with precision in the United Kingdom, this device is a testament to the brand's commitment to quality. With its model numbers AIS-300 and Nauticast B, it's designed to integrate seamlessly into your boating electronics, enhancing your voyage with precision and safety. The ACR 2680 comes with a reassuring 90-day warranty, ensuring that you're making an investment in a product that stands the test of time. Whether you're looking to upgrade your vessel's navigation or implement a new safety measure, this Automatic Identification System transponder is an essential tool for any seafaring adventure.