Beyond this basic technology, however, fish finders are all different. First off, they have different levels of power. The basic stats on a finder will tell you its wattage and its peak to peak power, which can tell you how strong a transducer it has on it. Obviously, with any sort of electrical equipment, it will have a better range, faster speeds, and better performance the more power it can crank out.
You should also check the stats on finder for their pixel quality. As anyone who has bought a digital camera knows, the higher the pixels, the better the resolution you can get. And resolution is crucial for figuring out what is on the screen of your fish finders.
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