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Refurbished Apple iPhone 12 Pro Max Graphite 6.7" 128GB 5G Unlocked & SIM Free Smartphone - Laptops Direct
Apple Describes the use of Multiple Millimeter Wave Antennas in Future iPhones that will provide superior 5G communications - Patently Apple
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The iPhone 12's mysterious groove is a 5G mmWave antenna window — and it's exclusive to the US - The Verge
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