The Mediatek WiFi isn’t supported in macOS, so the builtin WiFi won’t work. This was the same for my ASUS B650E system.
You need to use a Broadcom or Intel WiFi/BT card in macOS if you need WiFi & Bluetooth working.
If you add either a Broadcom or Intel WiFi card you will need to disable the builtin WiFi & BT card in the bios, as macOS won’t function correctly with two WiFi/BT cards active and enabled.
I use the builtin 2.5G Ethernet controller plus a Aquantia/Marvell AQC113C PCIe 10G Ethernet adapter on my Asus Prime B650E Ryzen 7 9700X system in Sequoia. But only the Aquantia AQC113C PCIe 10G adapter in Tahoe.
The Aquantia card is enabled by using @CaseySJ’s kernel patches and the Aquantia kernel Quirk in my config.plist. I use the Fenvi Aquantia 10G Ethernet card in all of my ATX & mATX Hacks. As it takes out the issues with the builtin Ethernet ports not working in Tahoe. I bought the cards from Aliexpress for around £40-£45 each. See the link below.
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