The iPhone 12’s mysterious groove is a 5G mmWave antenna window — and it’s exclusive to the US

Apple has announced its very first 5G iPhones: the iPhone 12, iPhone 12 Mini, iPhone 12 Pro and iPhone 12 Pro Max. They range in price from $729 to well north of $1,100, but — as Apple proudly announced during the press conference — even the Mini offers access to speedy millimeter-wave (mmWave) 5G networks.

As it turns out, that’s why each new iPhone features this conspicuous groove along the right edge. It’s a special window for mmWave signals, and it appears to be designed so users can visibly see it and perhaps avoid holding it there for maximum signal strength.

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www.theverge.com/circuitbreaker/2020/10/13/21515128/iphone-12-mini-pro-max-mmwave-5g-antenna-window

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