Custom Logo PU Leather Dual-Frequency Access Control Keychain | 13.56MHz (MIFARE Classic 1K, ISO14443A) + 125kHz (EM4100/TK4100) dual-chip design, compatible with both high-frequency and low-frequency access control systems. The soft and lightweight PU leather and keychain design make it portable and prevent loss. Supports hot stamping/UV/laser customization of logos and serial numbers, suitable for office building access control, hotel room cards, gym memberships, campus cards, and other applications.
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