RFID wristband tag is one of wearable RFID tags in RFID products. RFID users like it because it is easy to wear, easy to carry and fashionable. RFID (radio frequency identification) technology is an automatic identification technology emerged in the 1990s. RFID technology is considered by most researchers as one of the most promising information technologies in the 21st century.
RFID technology is a kind of short-range wireless communication technology, which can identify specific targets and read and write relevant data through radio signals without establishing mechanical or optical contact between the identification system and specific targets. Therefore, it is a non-contact automatic identification technology.
RFID system is mainly composed of RFID tags, RFID reader and antenna. Generally, the data collected by the reader are transmitted to the background system for processing.
RFID tags are classified by packaging appearance: RFID wristband tag, RFID stickers, RFID roll labels, RFID FPC tags, RFID ceramic tags, laundry RFID Silicone tags and RFID smart card etc. RFID tag is comprised of a coupling element and a chip. Each RFID tag has a unique electronic code attached to the object to identify the target object. Each tag has a unique global ID number -- UID (user identification), which is stored in ROM when the tag chip is made and cannot be modified, which has a very important impact on the development of the Internet of things.
RFID reader is a device that reads or writes label information. It can be designs as a handheld or stationary device. The reader reads and writes the RFID tag. In general, the reader will transmit the collected data information to the background system, which will deal with the data information.
The antenna is used to transmit radio frequency signals between the tag and the reader. The antenna in the radio frequency circuit is the bridge between the reader and the electronic tag. Radio frequency signals are sent by the reader radiate into space in the form of electromagnetic waves through the antenna.
There are two antenna coupling modes between the RFID reader and RFID tag: one is inductive coupling, which is suitable for low frequency RFID system; The other is the backscatter coupling mode, which is suitable for ultra-high frequency RFID applications.
Therefore, RFID Wristband Tag is one of the RFID tags widely used, is a very important component of the RFID system.
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