Do Fish Finders and Chart Plotters Show US and Canadian Borders on the Maps?

One question you may have is, do fish finders and chart plotters show the US and Canadian borders on their maps? The answer may surprise you. It depends on how you use your device and the type of information you’re looking for. Some devices are based on base maps, which may not show important details like channel markers or land-water boundaries. Other units may lack the detail you need to determine where to fish, such as lakes. fish finders with gps