Where To Find Kexts For Old Atheros Ethernet And Wi-Fi & BT Chip?

I want to install macOS High Sierra on an old Laptop with Clarksfield architecture, but I couldn‘t find Ethernet kexts for the Atheros AR8183. Is it unsupported? Are there any drivers for the Wi-Fi & BT card on this old Laptop?

Thanks in advance. —————————————————————————- Laptop model: Asus G73J, CPU: i7 720QM, GPU: Radeon HD 5870, RAM: 6GB DDR3 —————————————————————————-

Bootloader: OpenCore