Published 2 Nov 2012
[cont'd] map you can take your portable Mac and go to various points on the map and sample values for all nearby Wi-Fi access points. Once you’re complete, your map will display color-coded values for Signal to Noise Ratio, Signal Level, Quantity of Access Points, Noise Level or Signal to Interference Ratio. This lets you easily find out where you can get the best signal and where to place your access point to provide the best coverage.
NetSpot is an app that is going to save you a lot of time if you are trying to work out why people are complaining that their WiFi connection is so bad in certain places of the building. There are several editions of this easy to use yet somewhat detailed app available. Rather than paying for costly specific hardware NetSpot offers a free version that features many of the best features that are expanded on with the Pro and Enterprise versions. All versions offer a simple and accurate set of WiFi discovery tools that will do the job better.