If you want to run mainline Debian on the original PineBook, the onboard WIFI will hopefully be supported soon. A patch has been accepted. Now we wait for that oh-so valuable human curation, as it migrates through the versioning process!
"drivers/net/wireless/realtek/rtw88: Enable RTW88_8723CS as a module"
https://salsa.debian.org/kernel-team/linux/-/commit/4acf7a7bb31b3bde01eb98bc02e6790bc46ee1d1