What is the RFID

RFID stands for Radio Frequency Identification, Radio Frequency Identification in Spanish, is a method of storing and remotely retrieving data using devices called RFID tags or tags. An RFID tag is a small device such as a sticker that can be attached to or incorporated into a product , animal or person. RFID tags contain antennas to enable them to receive and respond to requests by radio from a RFID transceiver. Passive tags require no internal power supply while needing it active.

Advantages of RFID

Undoubtedly for the customer to remove the download and load the car back to the cashier and be assured that there is no human error in making the ticket, improves. Also for the establishment payroll eliminate a number of cashiers and working to have all the boxes available, both at peak hours, such as off-peak, without entailing greater expense of staff.

But the advantages do not end there for the retailer. A single employee, (and later a robot), mounted on an electric cart equipped with an RFID reader and a Bluetooth wireless connection or similar type can walk the halls tireless automatically detecting and locating faults existence misplaced merchandise placed by customers, thereby simplifying the work of replenishment of merchandise in the store. Moreover, an automated system can search from store shelves hypermarket missing goods in the store and take them directly to the replenishers rpallets.

On the other hand nothing prevents the label apart EPC code, do not issue other codes, standardized or not, to give additional information about the product , such as expiry date, batch production or any other data that manufacturers or chain distribution see fit. One could, for example with this system easily remove those products that have passed their expiration date.

Disadvantages of RFID devices

Like everything in life, but this technique allows significant improvements in many processes, also has its dark side, which makes many analysts urgently request government control over the use of these techniques . It will speak in the next chapter, but as a guide of where to go the concerns of critics, I leave a trail. Calculated? Can happen if a manufacturer installed the RFID tag on a pair of shoes, for example between the sole and heel?

Track | wikipedia and the Arrow