The text installation failed in the hardware detection step, but I could installed it from the live session.
After installing open-ath9k-htc-firmware my USB wifi card (TP-Link TL-WN821N v3 802.11n) works like a charm.
The only issue is that system config window is too large, being overlapped by the panel (the window is not resizable).
Good work, trisquel team!
