OS X is compatible with a select few wifi chips, so you will most likely have to buy a new wifi adapter or WiFi USB dongle. Most of them are fairly inexpensive though.
Some motherboards include built-in wifi chips; however, for OS X | macOS compatibility you will need a PCI WiFi card.
Here we have listed the PCI Express WiFi Cards that works with #Hackintosh out of the box.
- EEE 802.11AC – The Fastest Wi-Fi Standard, Backwards Compatible with IEEE 802.11 a/b/g/n