HID’s innovative FlexSmart DESFire Adhesive Tag can turn a plastic ID badge into a contactless smart card credential. Effortlessly upgrade from magstripe or barium ferrite technology, or add DESFire to your contact smart card, by simply attaching the small, circular DESFire Adhesive Tag to your existing card. The DESFire Adhesive Tag will also adhere to any non-metallic device, such as a cell phone or PDA, to instantly create a contactless smart credential.