What is TK4100?
TK4100 is a CMOS integrated circuit for using in 125 kHz read-only RFID cards. It is compatible with EM format. TK4100 chips data modulating and transmission is coded by Manchester modulation format. TK4100 is a type of Radio-Frequency Identification (RFID) technology commonly used in proximity cards for various applications like access control and identification. MIFARE Cards MIFARE DESFire EV1