TK4100/EM4100 Read Only RFID 125kHz 3-M Stickers – 25mm Circular Coins for Smart Access Control
High-frequency 125kHz RFID tags with TK4100/EM4100 chips for reliable read-only performance. Durable 3M adhesive backing ensures strong attachment to surfaces. Precision-cut 25mm circular design with anti-interference coating for stable signal transmission. Ideal for access control systems, inventory tracking, asset management, and security applications. Compatible with most 125kHz RFID readers. Bulk packaging for cost-efficient large-scale deployments. Global wholesale pricing with no minimum order quantity. Fast shipping and bulk discounts available.