IN THE GAME OF TAG, you may soon be “it.” Thanks to deafening media buzz, even a casual reader knows that in the next few years retailers worldwide will track all manner of products by slapping a radio frequency identification tag on them. But just how much do you really know about RFID? Take this test and find out!
| True or False? | |
| 1. | RFID tags capture identification data. |
| 2. | Tags come in two varieties. |
| 3. | EPC tags use a 28-bit numbering scheme. |
| ANSWERS | 1. | False. The electronic tags merely store identification data; you need a wireless transmitter or reader to capture it. |
| 2. | True. Tags can be active or passive. Active tags get their energy from radio frequencies transmitted by readers, whereas passive ones have their own battery sources and are always on. | |
| 3. | False. EPC tags use a 96-bit serial number. |