China RF ecosystem is growing thanks to US export controls.
Looks like, as always, that US export controls backfired, US companies used to dominate Huawei RF ecosystem.
2019
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But looks like Huawei has finally replace them with domestically manufactured components. That means that RF communication hardware OEMs in China can access to domestic modules, so no only the stooges export controls
costed US companies billions, didn't achieve its intended objective <killing Huawei just to embarrass the "SeeSeePee"> and clouded the future of US RF companies in China. US companies still sell a lot in China to the others smartphone makers but with Chinese companies access to domestic components, so US companies could lose their monopoly status in China and have to cheap up prices.
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The interesting part is that not only Hisilicon making more RF chips but also other companies in China, given Huawei stringent quality controls, catching up.