Wristwatch fish finder

As the most significant recreational fishing innovation in recent times, sonar fishfinder units are well established as a fundamental piece of equipment for boat-based anglers and, like almost everything electronic, decreasing size and increasing capabilities are expanding these applications by bringing the benefits of sonar technology to land-based fishing. One of the latest examples - the Humminbird Smartcast RF30 - utilises a wireless link between a small sonar transducer attached to the fishing line and a wrist-worn display unit to provide a picture of what's underneath - identifying fish within a 25 metre radius a well as a map of the bottom and any submerged structures that could cause snags.

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