In recent years, due to the continuous deepening of people's cognition of RFID technology and the continuous reduction of application costs, RFID has continued to accelerate its penetration in all walks of life.
In the apparel industry, big-name shoe and apparel manufacturers such as Uniqlo, Decathlon, H&M, and Hailan Home have applied RFID on a large scale to improve supply chain efficiency; libraries of all sizes across the country have chosen to use RFID solutions to manage a large number of books. Various forms of products such as staff workstations, self-service book return boxes (machines), mobile inventory vehicles, sorting machines, etc.; airlines use RFID technology to track luggage in real time, which greatly reduces the luggage loss rate of passengers.
Although generally speaking, RFID electronic tags can be divided into low-frequency RFID tags, high-frequency RFID tags and UHF RFID electronic tags, but the scenes with huge consumption of these tags are almost all using UHF RFID tags. From the following advantages:
1.The reading distance of UHF RFID electronic tags is longer;
2.UHF RFID electronic tags have strong security and confidentiality;
3.UHF RFID electronic tags can identify high-speed moving objects;
4.UHF RFID electronic tags can realize the simultaneous identification of multiple objects at the same time;
5.UHF RFID electronic tags can be reused and have a large amount of data memory.
Since different industries and application scenarios have significant differences in requirements and usage conditions, different requirements are put forward for the performance and form of labels. This is mainly based on the balance of business requirements, process conditions, application costs, application scene environment, etc. For example, if the identified object is a metal product, it is necessary to add absorbing materials to achieve metal resistance.
Electronic label products can be roughly divided into three categories in terms of form, namely traditional self-adhesive labels, injection-molded labels and card labels. The traditional RFID electronic label with self-adhesive function encapsulates the RFID into a self-adhesive form, which is suitable for applications such as automatic collection of product information on highways, parking lots and industrial production lines. In campus, traffic, access control and other scenarios, non-contact IC cards are often used, and it is easy to see special-shaped labels made by injection molding in access control.
In addition, because different countries and regions have different spectrum allocation, the coverage of UHF RFID frequency band definitions is also different, for example:
1.The frequency bands in China are: 840~844MHz and 920~924MHz;
2.The EU frequency band is: 865MHz~868MHz;
3.The frequency band in Japan is: between 952MHz and 954MHz;
4.Hong Kong, Thailand and Singapore are: 920MHz~925MHz;
5.The frequency bands of the United States, Canada, Puerto Rico, Mexico, and South America are: 902MHz~928MHz.
Common applications and label forms of UHF RFID
1.Shoes and apparel retail industry-coated paper tag label/woven label
Among the many application scenarios of RFID, the most common is the footwear and apparel industry, which is also one of the areas with the largest consumption of UHF RFID tags.
The introduction of RFID technology in the footwear and apparel industry is a whole process, from factories to warehouses to retail terminals. It can automatically collect the data of each operation link such as arrival inspection, warehousing, warehousing, allocation, warehouse shifting, inventory counting, etc. of the clothing warehouse, so as to ensure the speed and accuracy of data input in all aspects of warehouse management, and ensure that the enterprise Timely and accurate grasp of the real data of inventory, reasonable maintenance and control of enterprise inventory.
As far as the footwear and apparel retail market is concerned, the popularity of UHF RFID tags by foreign brands is much higher than that of domestic brands. This is mainly because foreign brand stores are all over the world, and fashionable FMCGs have high requirements on the liquidity of goods. The use of RFID tags can greatly improve the efficiency of product circulation management.
2.UHF Ceramic Tag
UHF ceramic tags are electronic tags encapsulated based on ceramic materials, with high electrical characteristics and high performance resistance, fragile and anti-transfer. The electronic tag antenna installed on the ceramic substrate has small dielectric loss, good high-level characteristics, stable antenna performance and high sensitivity. It is mostly used in logistics warehousing, intelligent parking, production line management, anti-counterfeiting detection and other fields.
3. ABS label
ABS labels are common injection-molded labels that are often used in logistics management scenarios. It can be installed on the surface of metal, wall, wood products and plastic products. Due to the strong protective function of the surface layer, it is resistant to high temperature and moisture and is suitable for harsh working environments.
4. Garment Washing - Silicone Labels
Silicone labels use silicone packaging technology and are mostly used in the washing industry. Because silicone is soft and deformable, and has the characteristics of high temperature resistance and rubbing resistance, it is often used for inventory management of towels and clothing products.
5.Cable tie label
Cable tie labels are generally packaged with PP+ nylon materials, which have excellent characteristics such as easy installation and disassembly, waterproof, and high temperature resistance. They are often used in logistics tracking, food traceability, asset management and other fields.
6.Epoxy PVC Keyfob
The keyfob made of PVC material can be customized according to the shape, so that the keyfob has the appearance and texture of handicrafts, and it can effectively protect the internal chip and antenna, which is convenient to carry. It can be used for access control, item identification management, game chips and other scenarios.
7.PET label
PET is the abbreviation of polyester film, and polyester film is a kind of polymer plastic film, which is more and more favored by consumers because of its excellent comprehensive performance. It can block ultraviolet rays, has good high and low temperature resistance, and has good creep resistance. Since my country's production volume and technical level still cannot meet the needs of the market, and some still need to rely on imports, PET labels are often used in jewelry management scenarios.
8.PPS laundry label
PPS laundry tag is a common type of RFID tag in the linen washing industry. It is similar in shape and size to buttons and has strong temperature resistance. Washing management becomes more efficient and transparent by using PPS laundry labels.
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