Abstract: A retail package for an activated transponder that prevents the transponder from receiving or responding to interrogation signals from a reader as the packaged transponder is shipped to retail outlets or while the packaged transponder in the possession of a retail purchaser but prior to the purchaser's intended use. The retail packaging includes shielding material to attenuate RF transmission sufficiently to prevent the accidental occurrence of a transaction, such as a electronic vehicle toll transaction. Once the transponder is removed from the packaging it may function normally.