Custom 125khz RFID card TK4100 RFID Card - D.O RFID TAG ...
TK4100 RFID card Features: 64 bit memory array laser programmable. On chip voltage limiter. Full wave rectifier on chip. Large modulation depth due to a low impedance modulation device. Very small chip size convenient for implantation. On chip 480PF resonance capacitor. Operating frequency 100-150KHz, typical frequency: 125Khz.
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