Skyworks Solutions & Apple
Skyworks Solutions supplies radio frequency (RF) chips, specifically power amplifiers and front-end modules, used in the cellular radios of every iPhone model. These chips handle the transmission and reception of cellular signals across 4G and 5G frequency bands. Skyworks is one of Apple's most concentrated supplier relationships in RF components.
Why it matters: RF performance directly affects call quality, data speeds, and battery drain during cellular use. Apple relies on Skyworks to handle specific frequency band combinations that are not covered by Qualcomm's modem front-end solutions. Skyworks has engineered highly customized RF modules to Apple's band and power specifications over many product generations.