TK4100 RFID Keyfob – Durable 125KHz Read-Only Keytag for Secure Access Control
Premium ABS plastic construction ensures long-lasting durability and resistance to wear. Compact keychain design (28mm diameter) fits seamlessly with keys or badges for effortless portability. Pre-programmed 125KHz EM4100 chip guarantees stable, contactless identification with a read range up to 10cm. Ideal for office buildings, gym memberships, parking systems, and warehouse logistics. Factory-locked T5577 coil prevents data rewriting, enhancing security for one-way access applications. Bulk-order optimized – wholesale pricing available for corporate or institutional deployments. Waterproof and shockproof engineering withstands daily harsh environments. Compatible with most 125KHz RFID readers (HID, Indala, AWID protocols).