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Why the iPhone 17 Pro Has a Strip on Its Top Edge: The mmWave 5G Antenna Explained

By

@bgrcom.bsky.social

5d ago· 4 min readenInsight

Summary

The article explains the purpose of the mysterious strip found on the top edge of the iPhone 17 Pro models. It reveals that the strip is a mmWave 5G antenna window, which is necessary for faster 5G mmWave connectivity. The article notes that this strip only appears on US models (and some other regions) because mmWave 5G is primarily deployed in the United States, while international models lack the strip since they rely on sub-6GHz 5G bands. The piece addresses user confusion at launch and clarifies the functional, not aesthetic, purpose of the design element.

Key quotes

· 3 pulled
The strip on the top edge of the iPhone 17 Pro confused a lot of users after launch.
It was recently revealed that the iPhone 17 is Apple's most popular lineup of all time.
Here's what it's for and why it only appears on some versions.
Snippet from the RSS feed
The strip on the top edge of the iPhone 17 Pro confused a lot of users after launch. Here's what it's for and why it only appears on some versions.

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