RFID is an acronym of radio frequency identification. These are basically a new generation tracking device of the product from your business. These tags work on the new method called automatic identification and data capture. The tags have data about the product scored in it which is get scanned when comes under the reader. The RFID tags, can be active tags, passive tags, read only tags, read/write tags. RFID tag can cover the range of hundreds of meters from the tag reader.
Retail: It is used for inventory marking of articles and controlling theft in retail stores by alarming when coming in contact with RFID detector.
Acces Control: It has replaced the magnetic strip by storing large data to identify and authenticate the holder by holding the card at front of the reader.
Transportation and logistics: The RFID tag is mounted on the vehicles which get read by the reader when passes through it saving time by saving complete data in the system.
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How does an RFID system work?
An RFID system consists of a tag, which is made up of a microchip with an antenna, and an interrogator or reader with an antenna. The reader sends out electromagnetic waves. The tag antenna is tuned to receive these waves. A passive RFID tag draws power from field created by the reader and uses it to power the microchip’s circuits. The chip then modulates the waves that the tag sends back to the reader and the reader converts the new waves into digital data.
Why is RFID better than using barcodes?
Both works on different technologies. They are not comparable to each other. Barcode is detected by the scanner to read the article. RFID is read by the reader.
What’s the difference between passive and active tags?
Active RFID tags have a battery, which is used to run the microchip’s circuitry and to broadcast a signal to a reader. Passive tags have no battery. Instead, they draw power from the reader, which sends out electromagnetic waves that induce a current in the tag’s antenna.
How much information can the tag store?
It is used basically to store only basic information about article. RFID is made to store upto 2 KB of data.
Are there any standards for RFID?
Yes. International standards have been adopted for some very specific applications, such as tracking animals. Many other standards initiatives are underway. The International Organization for Standardization (ISO) is working on standards for tracking goods in the supply chain using high-frequency tags (ISO 18000-3) and ultra-high frequency tags (ISO 18000-6).
What is the read range for a typical RFID tag?
The reading range depends upon many factors. The model of RFID, location and purpose is taken into consideration for the range. Plush technologies provide RFID of different ranges to make choices according to the business use.