Support read write frequency: 125KHz, 250KHz, 375KHz, 500KHz, 625khz, 750kHz, 875KHz, 1000KHZ, 13.56MHz (ISO1443A/B). Copy 125KHz RFID cards Put the original 125KHz card on the back of the copier. This copier (or writer) is a system that can be used professionally for copying or creating duplicate RFID cards/ key fobs, it is only for security access purpose only, not for other usage.
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