There are a handful of dedicated devices that will read the eMarker, eg https://www.amazon.com/s?k=USB+emarker https://www.amazon.com/s?k=USB+emarker A recent

There are a handful of dedicated devices that will read the eMarker, eg https://www.amazon.com/s?k=USB+emarker https://www.amazon.com/s?k=USB+emarker A recent HN thread announcing a Mac app that can read them along with discussion on alternatives: https://news.ycombinator.com/item?id=47972511 https://news.ycombinator.com/item?id=47972511