Best Yosemite Wifi USB Stick, D-Link DWA-131, Really Cheap Price, Only 10 Bucks! Yosemite Bought one and have been using it since the 3rd of April, works great, N too, fastest signal. Bought another one today. Works great with OS X Mountain Lion. Install this realtec driver and works like a charm, did I mention it was cheap price. Here is the chipset this card uses RTL8192SU See for yourself http://wikidevi.com/wiki/D-Link_DWA-131_rev_A1 Download and install the mac driver to make this usb wifi stick work here. http://www.realtek.com/downloads/do...peID=3&GetDown=false&Downloads=true#RTL8192SU Match up with the number above when looking for the right one. Bing you have wifi, and for the last time, the price is right Here is the seller on ebay that I used, he has them for 10 Dollars now! Thats a great deal!!! http://www.ebay.com/itm/200912523538?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649 Please let me know if anyone found this useful, it always feels good to know you didn't waste your time.