The PR5331C3HN is a highly integrated transceiver module for contactless PCSC Smart Card Reader/Writer communication at 13.56 MHz. The protocol between the host controller and the PR5331C3HN, on top of this physical link is the CCID protocol.
The OEM NFC RFID reader with PN533 enables reading and writing of NFC cards and tags as well as NFC P2P communication. The stick is produced by Digital Logic LTD. It is build upon the NXP PN533 chip according to manufacturers recommendations and guidelines. NXP's PN533 supports the full range of the NFC Forum specifications and standards.