Radio Shack Scanners - The RadioReference Wiki . Radio Shack Scanners. Specific questions on these scanners can be directed to the Radio Shack Forum at Radioreference; be sure to look at the articles first. For software recommendations, USB cables, tips and shortcuts, see the appropriate section in the scanner's article or the Programming Your Radio Shack Scanner article. Radio Shack / Realistic Scanner Manuals . Radio Shack and Realistic™ Radio Scanner Manuals, Specifications, Schematics & more. All of the following links access Radio Shack scanner support pages. They include various manuals on Realistic scanners including specifications, care and maintenance, schematics, and general scanning guides. Some (but not all) include user manuals.