GNU/Linux Zorin OS Installing Atheros AR9271 Wireless Driver Guide
How to Install Qualcomm Atheros AR9271 Wireless PCIe/SDIO/USB Adapters Driver on Zorin OS GNU/Linux desktop – Step by step Tutorial.
And the Atheros AR9271 equipped Devices should currently supported by the following Kernel Modules:
-
PCIe/SDIO
- ath9k (Since September 2008, Kernel 2.6.27) USB
- ath9k_htc (Since September 2008, Kernel 2.6.27) (For more insight about the Supported Devices you may see the Linked Kernel Online Documentation.)
Especially relevant, if you are Unsure about your Wifi Device Chipset then see: How to Get Wireless Adapter Info on GNU/Linux.

Atheros AR9271 Wireless Driver Zorin OS Setup Guide
So the Atheros AR9271 Wireless Adapter should Work Out-of-Box on Zorin OS.
Possibly to Setup the Updated or Latest available Release you may see:
Last, in case of Issue with the latest Devices you may see: How to Update Linux Firmware!