Description:
125KHZ chip material type: EM4100, TK4100Card thickness: 1..8mm±0.02mmDistance of reaction:3-8cm Encapsulation materials: PVC. Typical application: Timecard,Access Control Card ,enterprise one card system etc.Please note, TK4100 read-only and can not write. If you want to buy can write the cards, you should buy EM4305 T5577 chip cards.
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