64 bit  Low-cost rfid 125KHz EM4100/TK4100 proximity id card

-Several options of data rate and coding available

-On chip resonance capacitor

-On chip supply buffer capacitor

-On chip voltage limiter

-Full wave rectifier on chip

-Large modulation depth due to a low impedance modulation device

-Operating frequency 100 – 150 kHz, ( Low-cost rfid 125KHz EM4100/TK4100 proximity id card )

-Very small chip size convenient for implantation

-Very low power consumption

Applications:

-Logistics automation

-Anticounterfeiting

-Access control

-Industrial transponder

-Door control system,

-Identity resolution.       http://www.smacarte.com