@r1ch4rdNZ Thanks, but it isn't relevant as the card itself produces a much slower speed than a simple usb wifi dongle. nevertheless I've ran the app and it's around 51 db.

@Joshua7 Anyone?

I'm currently using a 2.4ghz wifi (in a month will move to a place with a 5Ghz) and my wifi speeds (tested on speedtest.net) are 20 Mbps. My wireless negotiation speed is 130 Mbps. Using a cheap usb...