For example, it's an affordable way to add newer Wi-Fi technology, such as Wi-Fi 6, without any costly upgrades - all you need to do is plug in an adapter ... the shape of PCIe - a Peripheral ...

Since the factory installed RTL8822CE M.2 PCIe module isn't supported at all by macOS or any third-party drivers (at least none is known), it was replaced with an Intel AX210-based WiFi 6 160MHz + ...