How long will it take for the device to stop reading tags?
I assume you are referring to a handheld RFID reader when you say "locator," as fixed readers are usually plugged into an electrical socket. As a battery wanes, a handheld's read range tends to become shorter, since there is less energy to emit. The device will eventually stop reading tags once it runs out of battery power.
—Mark Roberti, Founder and Editor, RFID Journal
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