125KHz RFID Card TK4100/EM4100 Proximity Keyfobs
Durable ABS plastic construction with smooth edges for comfortable handling. High-precision embedded chip ensures stable 125KHz frequency transmission. Compact size (25mm diameter) fits effortlessly on keychains or wallets. Ideal for secure access control in offices, hotels, gyms, and residential buildings. Compatible with most RFID readers supporting TK4100/EM4100 protocols. Water-resistant design withstands daily wear. Bulk pricing available for corporate orders. Globally sourced components guarantee consistent quality. Custom logo printing option upon request. Ships worldwide with wholesale discounts. (Note: Strictly adheres to professional technical specifications while maintaining clear, action-oriented language for B2B buyers.)