Categories Articles The iPhone 12’s mysterious groove is a 5G mmWave antenna window — and it’s exclusive to the US Post author By crystalg Post date October 13, 2020 The Verge – All Posts Tags 12’s, antenna, Exclusive, groove, iPhone, It's, mmWave, Mysterious, window ← ‘A Perfect Storm.’ The Michigan Plot Lays Bare the Dangers of Ignoring the Far-Right Threat → Forget Warren Buffett and Bill Gates — Your Dream Business Mentor Is Already on Your Speed Dial.