The advantages of UHF RFID technology are prominent, becoming the focus of the label industry

In an RFID system, electronic tags generally account for 60% to 70% of the total investment. The investment of UHF readers and computer systems is one-time, but the number of electronic tags and the application of the electronic tags will increase with the passage of time. The electronic tag is composed of five parts: the shell or the surface layer, the antenna, the substrate on which the antenna is located, the integrated circuit, the integrated circuit and the antenna connection circuit, and the performance depends on the antenna of the electronic tag, the integrated circuit of the electronic tag, and their packaging.

The most difficult point of the UHF electronic tag is that the electronic tag should be embedded or attached to products of different shapes and types. The surface of the object attached to the tag is also part of the electronic tag antenna, which will affect the electrical parameters of the tag antenna. The diversity and uncertainty of the use environment of the tag, and the shape and size of the tag are limited by the requirements of the application, which makes the design of the tag antenna particularly difficult. In many cases, it can only be determined experimentally. Disposable electronic tags for logistics and luggage packages are used in large quantities and require low cost. RFID tags used in production process management often need to be able to be recycled. Some are required to be used on metal surfaces, and some are required to withstand harsh environments such as high temperature, low temperature, high humidity, and mechanical shock. The diversity of application requirements naturally brings the diversity of RFID electronic tag forms.

The core technology of UHF RFID mainly includes: anti-collision algorithm, low power consumption chip design, UHF electronic tag antenna design, test certification, etc. In terms of positioning, encryption and sensors, UHF RFID technology still has a lot of room for development, and more new applications are expected in the future.