More on Amazon.com : http://www.amazon.com/gp/product/B002YK1C4C?tag=purrfectcatdi-20
Radio Shack Stainless steel Indoor Scanner Antenna Whip telescopes from 16 to 40
Find what you need to come in loud and clear30 to 512MHz Extends to 40 Use plug adapter 278-117 for scanners that have BNC connector