![]() ![]() Passive tags send or ‘reflect' back a signal that a passive RFID reader initially sends to them.Active tags use a built-in battery and onboard transmitter to send out intermittent electromagnetic signals.These categories refer to how the RFID tags transmit data, and how close you have to be to pick up their signals. RFID asset tracking comes in three main categories: passive, semi-passive, and active (more on this further down in the article). ![]() Other uses continue to emerge: Amazon uses RFID technology in its Amazon Go stores to let customers pay without a checkout process and, in July 2023, McDonalds debuted RFID tech in France as a way to track reusable containers.Īctive, Passive, and Semi-Passive RFID tracking According to McKinsey, lululemon utilized this location information to manage inventory levels as demand changed during the pandemic. Lululemon, which makes athletics goods, uses RFID tags in its 600 worldwide stores and reports a 98 percent inventory accuracy.
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