This is EM4100/4102 ,is Read-only, not programable,not HID!!!! 10PCS/Pack EM 4100/4102 card/tag,standard size Specification: 1. 100% brand new and high quality 2. Frequency: 125 KHz 3. Thickness: 0.9mm 4. Size: 86mm x 54mm x 0.8mm 5. Package included: 100pcs RFID Cards. 6. Material: PVC 7. Each card pre-programmed with a unique ID number, which is printed on the card 8. ID card is suitable for 125KHZ EM4100/4102 card reader and reading distance is 0 - 10cm 9. Read only 10PCS/lot |