- Products 13.56MHz Tag: Rafsec card Size Tag ISO 15693 Type Tag Inlay type credit card-sized high-performance tag - Specifications Protocol ISO 15693 Philips I-Code SLI 13.56MHz Memory Capacity 1K bit, R / W EEPROM Memory Type Read / Write Die-cut Size 49 x82 mm Operating temp -20 ° C / +70