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Imagine a shopping trolley in a self-service store equipped with a scanner and a touch-screen computer. You scan the goods, put them in the cart, and the computer gives information on each of the goods and offers additional purchases. The computer constantly shows the amount of the cost of the selected goods, so that you know every minute how much you will spend. Having finished choosing purchases, you go to the self-checkout or cashier. Since the amount of your purchases is already known, and all of them are packed, the waiting time is minimal. You just have to pay for your purchases.
An innovation that provides such a shopping trip is called RFID (Radio Frequency Identification) technology. RFID helps retailers around the world meet the needs of the most demanding customers and thus increase sales. This technology is gradually changing the retail industry, providing sellers with information on the status and movement of goods in real time, increasing warehouse productivity and preventing losses. Many of the world's leading retailers have planned the introduction of RFID technology. This move will affect more than 200,000 manufacturing enterprises and suppliers and direct the global hardware and software market to support RFID.

What is RFID? RFID technology, equipment, tags, systems
RFID is a software and hardware complex consisting of:
radio frequency tag;
antennas;
receiver;
software.
RF tags

Today, there are many applications of RFID technology. We offer to your attention a far from exhaustive list of main applications in which the use of contactless identification is not only convenient, but also economically justified:

Access control
"Electronic stamp" for animals
Baggage sorting at airports
Automotive Applications
Document flow
EPC Applications
Express Mail
Logistics
Wireless commerce
Counterfeit Protection
Timing in sports
Tickets, access to attractions, payment for services

Wal-Mart has long advised its customers to keep a close eye on price cuts on its products, and today this world's largest retailer is following price cuts ... on radio frequency identification systems (RFID tags). At the end of last year, she announced the mandatory transition of her stores to the RFID tag system. Since then, the price of RFID tags has halved, which, according to the company's specialists, will lead to a revolution in the world of retail and a complete change in supply chains. The largest Wal-Mart vendors were asked to switch to RFID tags in their packages as early as next January. Suppliers of this largest retailer strive to meet deadlines, creating a real boom in the RFID tag market. According to some analysts, Wal-Mart alone will need a billion RFID tags soon a year, and the demand for these tiny devices will only grow. Other large retailers and some government agencies now require their partners to attach RFID tags to all types of packaging. So, in November last year, the US Department of Defense approved a new identification system at the federal level, requiring its suppliers to install RFID tags on industrial parts and pallets.