Descripción
The EM4200 is a CMOS integrated circuit for 125KHz RFID transponders with a fixed 128-bit UID. It is designed as a seamless replacement for EM4100/4102 and EM4005/4105 chips, making it a trusted choice for proximity-based solutions. Often referred to as a Prox Card option, EM4200 cards provide reliable read-only performance for secure identification. With support for Manchester, Biphase, and PSK encoding, and a surface optimized for full-panel printing, these cards combine strong compatibility with easy customization.
Why Choose EM4200 125KHz Prox RFID Card
1. Trusted solution for Prox Card and access control projects
2 . Low-maintenance read-only chip reduces system complexity
3. Compatible with existing global infrastructure and readers
4 . Personalization ready with all major ID card printers
5 . Proven durability for hospitality and corporate programs







