
Apple reveals first custom modem chip, shifting away from Qualcomm
The HinduApple on Wednesday revealed its first custom-designed modem chip that will help connect iPhones to wireless data networks, a move that will make the company less reliant on chips from Qualcomm that also power its Android rivals. Qualcomm chips also power Android gadgets and Windows laptops that compete with Apple's devices. NEW PLATFORM WITH GLOBAL COMPATIBILITY The C1 subsystem is the most complex technology Apple has ever built, with a baseband modem manufactured with advanced 4-nanometer chipmaking technology and a transceiver made with 7-nanometer technology, Johny Srouji, Apple's senior vice president of hardware technologies, said in an interview at one of Apple's silicon labs in Sunnyvale, California. For example, if an iPhone encounters congested data networks, the phone's processor can signal to the modem which traffic is the most time sensitive and put it ahead of other data transfers, making the phone feel more responsive to the user's needs, said Arun Mathias, vice president for wireless software at Apple.
History of this topic

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