Security and Communication Networks / 2019 / Article / Tab 2

Review Article

Ultralightweight RFID Authentication Protocols for Low-Cost Passive RFID Tags

Table 2

EPC classification of RFID tags.

Class Description

Class 5Class 5 tags are essentially active readers. They have the ability to communicate with all the EPC standard classes.

Class 4Class 4 tags are active in nature. They can communicate with the reader and other tags by using peer to peer communication model.

Class 3Class 3 tags are semi passive tags that can support broadband communication.

Class 2Class 2 tags are the passive tags with extended functionality such as memory and computational resources.

Class 1/0Class 1/0 tags are basic passive identity tags with limited resources.

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