Toronto, ON, July, 2006 – The EPC Tag Class structure is often misunderstood. 'Group' is not the same as 'Generation'. Class describes a tags basic functionality for example whether it has memory or a battery. Generation refers to a tag specification's major release or ver-sion number. The full name of what is popularly called EPC Generation 2 is actually the EPC Class 1 Generation 2, show that the specification refers to the second major release of a specification for a tag with write-once memory.
The full EPC class structure is:
Figure: The EPC Class Structure
Class 0 designation was added to the Generation 1 system long after the class 1 specification was created as a part of the process described in 1.i above. Class 1 tags, as "Generation 2" is an example that contains a write once memory retention of an Electronic Product Code. Class 2 tags add additional memory that can be changed fre-steadily, for the storage of additional data? For example, from a built-in sensor. Class 3 tags add batteries for longer read ranges and higher reliability, but are fundamentally passive backscatter tags. Class 4 tags are essentially active tags that can communicate with other Class 4 tags as well as readers. Class 5 tags are not really tags at all – they are essentially wireless readers.
High volume, availability of Generation 2 tags is expected some time in this moment. However, Generation 1 tags do not disappear from the delivery chain: instead Generations 1 and 2 will exist for 6 to12 months, while the Generation 2 learning curve ramps up. Depending on the Generation 2 price and performance, and market conditions, this' Generation 1 Shadow " can last until early 2007, when Generation 1 tags finally disappear from the supply chain. Tag technology will continue to evolve around the time Generation 2 will be established around 2006 / 7, end users and technology providers expect work to begin to develop a 'Generation 3' system with further improvements of Generation 2 technology.
Our company GAO RFID Inc. currently does not offer any Gen 2 tags yet, but we can foresee GEN 2 tags will dominate the supply chain market. Gen 2 tags have the same potential as active tags, as the next generation of RFID technology. To learn more, visit www.gaorfid.com
About GAO RFID Inc.
GAO RFID Inc., a member of GAO Group, was spun off from GAO Tek (formerly GAO Engineering) in July 2006 because of its rapid growth in RFID business and its further investment in this exciting market. GAO RFID has established itself as one of the world ¡¯ s most influential suppliers of RFID products particularly RFID tags, labels and readers. GAO emphasizes on product quality. More …
Contact
GAO RFID Inc.
(416) -292-0038
marketing@gaorfid.com
About the Author:
Contact Name:
Ronnie Sant
Title:
Marketing Coordinator
Address: 601 Milner Avenue, 2nd Floor.
Toronto, Ontario.
M1B 2K4 Canada
Corporate Phone: 1-416-292-0038
Corporate Fax: 1-416-292-2364
http://www.wowgao.com
attendee@wowgao.com
Article Source: ArticlesBase.com – The Epc Class Structure
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