Dual-frequency ABS waterproof access control keychain | 13.56MHz (ISO 14443A) + 125kHz (EM4100/TK4100) dual-frequency compatible | ABS shell with IP68 waterproof, shockproof, and dustproof protection. Portable and loss-proof keychain design, suitable for various identity recognition scenarios such as hotel room cards, resort access control, water park lockers, and office building access control.
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