2, block 0 directly with normal mif read-write device modification. 1, UID card block 0 (UID's block) can be modified arbitrarily. Chipe: UID chip. Note: Android MCT won't work with UID. Material: ABS material.
This product would be ideal for applications requiring customizable RFID keyfobs with high read/write frequencies in secure facilities, like warehouses or offices, where rapid data changes are necessary.