Spesifikasi : -MIFARE RF Interface S50 (ISO/IEC 14443 A Protocol) -Contactless transmission of data and supply energy (no battery needed) -Operating distance: Up to 100mm (depending on antenna geometry) -Operating frequency: 13.56 MHz -Data transfer: 106 kbit/s -Data integrity: 16 Bit CRC, parity, bit coding, bit counting -Anticollision -EEPROM 1 Kbyte, organized in 16 sectors with 4 blocks of 16 bytes each (one block consists of 16 byte) -User definable access conditions for each memory block -Data retention of 10 years. -Write endurance 100.000 cycles