125khz Rfid Proximity Id Cards Keyfobs Tk4100 Chips For Access Control &. Discover the ZOCORFID Contactless ID Card, an Ideal Solution for Secure Access Control and Payment Systems. Designed with the EM4100/TK4100 Chip, This Passive Card Operates at a Frequency of 125kHz, Providing Reliable Performance for Various Applications, Including Door Entry Systems, Hotel Locks, Staff Attendance, and More. Each Card is Pre-programmed with a Unique ID, Ensuring Secure Identification. Compact and Lightweight, It Comes with a Key Ring for Easy Portability and is Built with Durable, Water-resistant ABS Plastic. With a Read Range of 3-10cm, It Offers Seamless Interaction with Compatible RFID Readers Without the Need for External Power. Enhance Security and Streamline Access with This Brand-new Inductive Card for Entrance Guard Systems. Features: - Read Only: Cannot Be Rewritten. - Chip Compatibility: EM4100/TK4100. - Operation Frequency: 125kHz. - Compact Design: Weighs Only 4g. - Construction: Durable Plastic ABS Material. - Detecting Distance: 3-10cm Range. - Water Resistant: Built to Withstand Elements. - Unique ID: Pre-programmed and Printed on Each Card. - Key Ring Included: For Easy Portability. - No External Power: Fully Passive Operation. - Wide Applications: Ideal for Access Control, Identification, and Payment Systems..