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Definition: AirTag

Apple's Bluetooth trackers introduced in 2021. Strictly for iPhones and iPads, AirTags are attached to keys and other devices. As long as somebody has an iDevice nearby, the AirTag can be located. See Bluetooth tracker.

AirTag Tracker
Battery powered, AirTags can be attached to a key ring, eyeglass case or anything that might be misplaced. Along with Bluetooth, AirTags have NFC and UWB communications, the latter providing more precise location accuracy when used with iDevices that have Apple's U1 chip. (Image courtesy of PCMag.com.)