![]() More sophisticated (read: more expensive) scanners are available, especially if you get a non-portable (benchtop) unit.Īnybody (at least in the United States) is permitted to monitor non-cellular radio frequencies. I recently picked up a used one for $5 at a yard sale. But they’re useful for far more than that, covering a wide variety of frequencies and can even be used to listen to signals from satellites.Ī relatively simple new scanner will cost around $100. They’re usually advertised as police-fire band or NASCAR. Handheld scanners are typically sold in electronics shops. If you find it interesting then use your favorite search engine to look for additional information. This tutorial is more of an introduction about what’s possible rather than specific procedures. If you link to this instructable from another website, please include a link to the Neat Information website. Check out the author’s website,, for lots of interesting articles.
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