HID iCLASS card technology is a proven and reliable technology that was specifically designed to make access control more secure. iCLASS technology operates at 13.56 MHz read/write contactless high-speed communication and is available in 26 or 37-bit format. Our range includes standard iCLASS, and iCLASS proximity cards, alongside the popular iCLASS micro tags making them an excellent fir for access control and photo ID requirements.