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Could Active RFID Be Used in ZigBee Configuration?
How is the ZigBee protocol employed when it comes to radio frequency identification?
There are many different types of active RFID transponders. Most are designed to awaken and periodically broadcast a signal containing their unique serial numbers. Readers pick up the signal, after which a variety of techniques, such as triangulation, are used to determine the object's location. Another type of active tag is designed to wake up within a certain zone around a reader, and then broadcast its unique ID.
The ZigBee protocol can be utilized in a variety of ways, but it is usually used to enable sensor devices to communicate with one another in a mesh network. If, for example, a node in the network has a moisture sensor and it detects moisture, that information is passed from one node to the next until reaching a host system. Active RFID transponders are not designed to work this way; the tags communicate directly with the reader, not with one another.
—Mark Roberti, Founder and Editor, RFID Journal
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