In the mid-twentieth century, based on the improvement and application of radar, radio frequency identification technology began to lay the foundation and then began to develop initially. Until today, RFID technology has been used for half a century.
At present, RFID technology is developing well in the world, especially the United States, Germany, Sweden, Japan, South Africa, the United Kingdom, and Switzerland, etc., have mature and advanced RFID systems.
RFID wristband is a kind of smart radio frequency shaped card which is convenient and durable to wear on the wrist. RFID wristband electronic tags are comfortable to wear, beautiful in appearance, and decorative; they can be divided into disposable wristbands and reusable wristbands.