Capacity of 8Kbit EEPROM, में विभाजित 16 सेक्टरों, प्रत्येक क्षेत्र है 4 टुकड़ा, each 16 बाइट्स, to block access to units, each sector has its own set of password and access control, each card has a unique serial number, for 32bit, conflict prevention mechanism, support for multiple card operation. No power supply, built-in antenna, it contains encryption communication control logic …