Works out of the box on Trisquel 7.0 Belenos.
This device features Atheros AR9271 chipset. The required firmware for this device is free software. The firmware is already packaged for Parabola as ath9k-htc-firmware, which is a dependency of linux-libre-firmware. The firmware can be obtained from https://github.com/qca/open-ath9k-htc-firmware/ for other distributions.