What about a Mac with a weak WiFi signal?

recommend a free and easy-to-use wireless monitoring tool Netspot for Mac applications to help you quickly capture, visualize, and analyze WiFi data. The interface is very friendly and easy to use, and can be used to measure the distribution of Wi-Fi signals in your home through a MacBook quick scan, and to help you quickly find a blind spot by visualizing the process.

The Netspot for Mac can showcase your wireless network by building a visual Wi-Fi map. It lets you see the right bits and hotspots (wireless access points) that are not covered by the blind area. By analyzing the visual map of the collected wireless data, you will also see the load of the channel, and you can decide how to better optimize your Wi-Fi scene. Netspot for Mac is a powerful analyzer for Wi-Fi coverage.

Just a few minutes to load the map of your area, point your location on the map, Netspot for Mac to start collecting Wi-Fi data around you. It collects all the necessary information, radio signal leakage analysis, noise source discovery, access point valid location, and so on. The free version can only provide a floor of the Wi-Fi layout information, if there are multiple layers in the home can buy a professional version of 199 of dollars. But the free version is already quite powerful and easy to use.