Our HID 2022 iClass Prox 16K Proximity Cards are top-notch cards that merge contactless iClass smart card features with HID proximity access control systems. These 13.56 MHz iClass read/write contactless cards come with a 16K-bit memory size containing 16 application areas.Sold in packs of 100, these cards are CR80 credit card-sized (86mm x 54mm) and operate at 125 kHz proximity. High-quality contactless smart card applications combined with HID proximity access control systems16K-bit memory size with 16 application areasCR80 credit card size and operate at 125 kHz proximity