That's a Dell Wireless 1705, Atheros Wireless card, use the latest Atheros driver: [URL]
I have a Dell Inspiron 5735 and when i try to install the wifi+bluetooth driver given in the support page the installation program says "please turn on bluetooth from wireless switch, when i press fn+f2 in the screen apears a notification saying airplane mode on/off but nothing happens.I have windows 8,1 installed from the DVD that come with my laptop.
Wifi does not turn on