Function: Acts as a slave/external reader for access control panels, reading ID or IC smart cards to unlock doors.
Frequencies: Available in 125kHz (EM proximity) or 13.56MHz (Mifare/NFC) variants.
Interface: Typically utilizes Wiegand 26-bit or 34-bit output protocols.
Design: Features a textured square ABS plastic housing with a central glowing indicator ring. [1, 2, 3, 4, 5, 6]
If you would like, let me know:
What access control panel or system you are connecting it to
Whether you need help with wiring/pinout connections or card compatibility (125kHz vs. 13.56MHz)