125KHz RFID Proximity Cards Read Only 0.8mm PVC ID Cards for Door Entry Access Control and Attendance Systems EM4100 Compatible Waterproof Durable with Clear Double Sided Film and Easy Setup 1 to 8 cm Read Range

125KHz EM4100 PVC Proximity Card for Door Access Systems
✔️ 1 card, PVC, waterproof, EM4100, read-only, white, 85x55x0.8 mm

These read-only 125KHz proximity cards are designed for door entry access control and attendance systems. They work with EM4100-compatible readers and are widely used in offices, schools, and manufacturing facilities for secure entry tracking.

✅ 125KHz EM4100 standard, read-only data
✅ PVC card with double-sided clear film, waterproof
✅ Size: 85 x 55 x 0.8 mm (3.35 x 2.17 x 0.03 in)
✅ Compatible with most ID door readers and access systems
✅ 18-digit ID number on each card is unique
✅ Note: Not compatible with encrypted or UHF readers such as HID, Indala etc

💡 What is a 125KHz RFID proximity card used for and how does it work? - It is used for door access control and attendance systems.
- It relies on 125KHz EM4100 protocol with read-only data.
- It can be read by compatible readers but cannot be rewritten or cloned.
- It's a handy badge solution for employee or student ID programs.