Confused about the EPC RFID Tag Classes?

EPC Class Definition Programming
Class 0 "Read Only" passive tags Programmed as part of the semiconductor
manufacturing process
*Class 0+ "Write-Once, Read-Many" version of EPC
Class 0
Programmed once by the customer then
locked
Class 1 "Write-Once, Read-Many" passive tags Programmed once by the customer then
locked
Class 1 – Gen2 "Write-Once, Read-Many" passive tags. UHF
Gen2 protocol ratified by EPC Global, Inc. on Dec. 16, 2004
Programmed once by the customer then
locked
Class 2 Rewritable passive tags Can be reprogrammed many
times
Class 3 Semi-passive tags
Class 4 Active tags
Class 5 Readers N/A
* Not an EPCglobal defined class

por Vitor Silva



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