What is the difference between a smart card and a prox card?
Smart cards vs. proximity cards Memory: Prox cards have a limited memory, which limits the amount of information that can be stored on the card. Meanwhile, smart cards are able to store memory on the microchip and smart card itself, which enables organizations with more flexibility for information storage Smart cards and proximity cards are both contactless card technologies used for various applications, including access control, payment, and identification. While they may look similar, they operate on different principles and offer distinct features. Here's a detailed comparison: Proximity Cards Technology: Proximity cards utilize Radio Frequency Identification (RFID) technology, typically operating at a low frequency of 125 kHz. They contain an embedded antenna and an ID chip that transmits data wirelessly to a reader when within a certain range (up to 50 cm). Functionality: These cards primarily store a facility code and a card number. Their main function is ...