The Dahua IC-SM (also referred to as the IC Key Fob) is a high-security contactless credential designed for modern access control and intercom systems. Operating on the 13.56MHz frequency, it utilizes MIFARE S50 technology to provide a more secure and reliable alternative to traditional 125kHz proximity fobs.
Performance & Compatibility
This key fob is engineered for seamless integration with Dahua’s ecosystem, including video intercoms and standalone access controllers.
Technology: Based on the MIFARE S50 standard (ISO/IEC 14443A), which supports data encryption for enhanced security.
Read Range: Offers a convenient contactless sensing distance of approximately 10 cm (3.94 in), though this can vary slightly depending on the specific reader’s power.
Rapid Response: Features a fast sensing time of less than 0.1 seconds, allowing for quick entry in high-traffic areas.
Universal Use: Compatible with all Dahua 13.56MHz readers, such as those found on the VTO2111D-P-S2 door station or ASR series card readers.








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