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Here’s why the C1 chip doesn’t have mmWave 5G, says Kuo

Published on: 2025-07-01 05:06:49

Apple’s first modem, the C1 chip, had one notable omission: there’s no support for mmWave 5G, the ultra-fast variant of 5G. While I expressed my view at the time that this was no big deal, given that there’s been very limited rollout by carriers, it seems there may be a very specific reason for the decision … The C1 chip took many years to develop Given Apple’s ability to design Mac processors that have left Intel ones in the dust, you might think that designing a radio chip would be a rather trivial exercise. In reality, it’s very much more complicated than it sounds because mobile data standards are insanely complicated, for three reasons. First, standards vary around the world, and a chip intended to be used globally needs to support all of them. Second, even within one country, different carriers often have their own versions of each mobile data standard, and again Apple needs to support all of them. Finally, in addition to meeting every variation of every current standard in ... Read full article.