Accidental Tech Podcast Products C2 modem Product C2 modem 2 mentions in 1 episode Apple's custom cellular modem chip used in most iPhone 18 Pro and Pro Max models except the US Pro Max. Mentions 709: Steel-Cable Insurance Sep 17, 2026 22:21 Apple says the iPhone 18 Pro has a C2 modem worldwide. 23:19 I want the C2 chip because it presumably uses less power.