Which advantages has RFID got over Barcodes?

RFID products can store more information than a Barcode product can. As well as this the information that is stored on the RFID products can also be reprogramed and changed.
The frequency of the of the RFID chip can penetrate different materials. This allows RFID-Products to be attached to various places and materials such as inside a package or directly on the product. They are also resistant to environmental factors. RFID chips come with a much greater level of security than can be offered by a conventional barcode, your data is protected when it is both read and written to prevent people even seeing the data unless you want them.