MIFARE 1 S50 is a serial of non-contacting smart card that meets the standard of ISO/IEC 14443A. The communication layer (MIFARE RF interface) meets part2 and 3 of the ISO/IEC 14443A standard. The security layer supports CRYPTO1 data stream encryption of domain authentication. Non-Contacting data transmission and supplied power(no battery needed). Working distance: no more than 100mm (depends on the antenna dimension). Working frequency: 13.56 MHz. High data transmission speed: 106 k bit/s. Data integrity protection: 16 bit CRC, odd-even check, encoding and counting by bit. Anti-conflict. Data transmission and processing time: