i followed the tutorial, point by point
my wifi card is a Qualcomm Atheros AR5BWB222 Wireless Network Adapter, if this card is not compatible please get me a link from ebay ! I got a cupo, off $15 this one -> " CEBAY15 "
more specs could be find http://us.acer.com/ac/en/US/content/model-datasheet/NX.M2HAA.007