This a small sized RFID Thin tag. IT works in the 125 KHz range. RFID is useful for sensing and identifying tagged people and objects for access control, automation, inventory management and a whole range of different applications. This basic RFID tag works in the 125kHz RF range and comes with a unique 32-bit ID. It is not re-programmable. This blank, smooth, and mildly flexible RFID tag, is ready for your logo.