Item Tag: EM4100/4102
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Clamshell 2MM Thickness 125KHZ EM4100/4102 RFID Access Control System card 50pcs
Compatible with all RFID ID card reader to gain access. Compatible with ID door access devices or RFID reader (125 KHz). Light weight, mini size, easy to carry, and waterproof. Read only, not HID card.