Active AM loop antenna for Inovonics models 520 and 634.Inovonics part number AA-00.Inovonics AA-00 Active AM Loop AntennaSKU: AA-00 $450.00 Regular Price$405.00Sale PriceExcluding Sales Tax | Shipping PolicyQuantity*Add to CartBrandInovonicsProduct DetailsManufacturer: InovonicsManufacturer part number: AA-00Sold by: Radio Gearheads, 705 Eaton Ave N, Fosston, MN 56542 Questions about compatibility, licensing or lead time? Call 1-800-992-1506 or use Get A Quote.