This component is able to read and write numeric and alphanumeric data from GemClubMemo and other type's Smartcard. The GemClubMemo produced by www.gemplus.com, this kind of smartcard have a very tiny memory but as well these have a very cheap price! Although everything, this kind of card is the best solution for a solid "protection" circuit, even because each card has onboard three different passwords (commonly named "Card Secret Code) and a protection that will put off-line the card after three unsuccesul authentication attempts for each password.