Tag stacking occurs when several tags are placed close to each other in almost an
identical orientation, such as when small items are tagged and then packed in a
case. In this situation, the tags in the front of the case, closer to the antenna, absorb
and reflect most of the radio energy, so the tags on the middle items receive
a very weak signal and are not powered up, and thus cannot be read. To avoid
this problem, you can change the packaging method or rotate the case in front
of several antennas installed at various angles to the case. Tag stacking is also referred
to as tag shadowing
Tag stacking occurs when several tags are placed close to each other in almost anidentical orientation, such as when small items are tagged and then packed in acase. In this situation, the tags in the front of the case, closer to the antenna, absorband reflect most of the radio energy, so the tags on the middle items receivea very weak signal and are not powered up, and thus cannot be read. To avoidthis problem, you can change the packaging method or rotate the case in frontof several antennas installed at various angles to the case. Tag stacking is also referredto as tag shadowing
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