HID iCLASS Access Cards are 13.56 MHz contactless smart cards designed for secure, reliable, and flexible access control applications, available in multiple memory capacities including 1K, 2K, 4K, 8K, and 16K, and supporting popular 26-bit and 35-bit formats. These cards come in various models such as HID iCLASS 2000, 2001, 2002, 2003, 2004, 2020, 2080, 2130, 2131, 2132, 2133, 2050, 2060, as well as iCLASS SE series 3000, 3001, 3002, 3003, 3050, and multi-technology variants for combining iCLASS with Prox, MIFARE, or other credentials. Each model offers options for PVC or composite construction, glossy or matte finish, vertical or horizontal slot punch, with or without magnetic stripe, and can be factory-programmed to match site-specific security requirements, making them ideal for enterprise, government, institutional, and commercial installations.