The blocking card is the size of a credit card that is designed to protect personal information stored on high frequency (13.56mhz) smart cards such as credit cards, debit cards, identification cards, passports, membership cards and so on.
The blocking card is the size of a credit card that is designed to protect personal information stored on high frequency (13.56mhz) smart cards such as credit cards, debit cards, identification cards, passports, membership cards and so on.