The Salto 4K contactless cards are blank cards designed for use on Salto Series 9 access control systems. These cards operate at a frequency of 13.56 MHz and boast a memory capacity of 4K bytes, ensuring optimal security through the Salto encryption method. Each order includes 100 cards, all of which are CR80 card size at 86mm x 54mm. These cards are also compatible with Mifare Cards Systems in read-only mode.Product Features:Frequency: 13.56 MHzMemory Capacity: 4K bytesQuantity: 100 cards per pack