While Wi-Fi is a reliable connection technology for the most part, there are times when you might experience drop-outs or stalls in performance. Sometimes these are because of the configuration of your Mac or your router, but at other times it can be from poor signal quality.

The quality for any analog signal, be it electrical, optical, or radio, can be determined by comparing the desired signal level to the background noise level in the signal in what’s known as a signal-to-noise ratio. Continue reading →