AirTags explained: Everything you should know before buying

What's an AirTag? Apple's new trackers, explained
CNET
5/6/2021
Shelby Brown
© Provided by CNET
The AirTag is designed to make keeping track of your items easy. Patrick Holland/CNET
Rumors of a Tile competitor from Apple stretch back to 2019, and the pieces began to fall into place for Apple watchers after AirTag tech was hinted at in the iOS 13 code and when the iPhone 11 was found to have incorporated ultra wideband, or UWB, technology. The groundwork for the gadget was laid even farther back, in 2014, with the iBeacon, a small, inexpensive Bluetooth transmitter that aimed to provide location-based information and services to iPhones. While Bluetooth can track items to within about five meters, UWB can pinpoint them to within 5 to 10 centimeters. 

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