125KHz RFID Key Fob with TK4100 Chip – Bulk Access Control Solution
Durable ABS plastic construction with smooth laser-engraved surface for scratch-resistant, long-term use. Pre-programmed TK4100 chip ensures stable 125KHz frequency compatibility with most global access systems. Compact 30mm diameter design fits keychains or pockets, ideal for offices, hotels, gyms, and warehouse security. Supports 1,000+ read cycles with waterproof and anti-interference performance. Lowest wholesale pricing for bulk orders (100+ units), ready for custom logo imprinting. Ships globally with OEM/ODM support. Compatible with HID, Indala, and EM4100 readers. No minimum order for samples. Contact for RFID system integration specs.