When your car breaks down in the middle of the road, it is a nuisance. But when your boat breaks down in the middle of a water body, it is simply scary, especially if there is no mobile network coverage in the area.
This makes it essential to buy a marine radio. And enrol in the marine radio course to learn how to use it, as well as how it works. It is one of the first electronic devices you need to get for your boat.