RFID Card is widely used in electronic locks or customer identification as well as other systems where a card is desired. It can be read by almost any 13.56MHz RFID/NFC reader that can handle 13.56 cards. Application Ideas: Access Control System Identification Object Tracking Specifications: Resonance Frequency: 13.56MHZ Memory: 1K Bit EEPROM memory Operating temp.range: -10C – 50C