... 56MHz Reader moduleCN3XX(S)(T)-X Plug & Play OEM reader module supports 13.56MHz technology, including ISO14443A/B, Mifare, DESFire EV1 ... tuner to adjust reading distance as optional.Customized service on module and antenna (size, position, etc) is available on request ... tags (8) RS232-RS485 converter module 13.56MHz NFC rfid reader module with ISO7816 SAM to R/W Mifare Plus, Mifare, DesFire, Felica