“Wireless Diagnostics” is a builtin signal monitoring app.
- Press the option key and click on the Wifi icon in the task bar.
- Select “open wireless diagnostics.”
- Diagnostic screens are accessed from the Window menu.
More information from Apple: https://support.apple.com/en-us/HT202663
Printed circuit board antennas for UHF and above
By Kent Electronics
Wifi analysis tools for 2.4 and 5 GHz networks.
A distributed tracking and profiling framework.
right-click the wi-fi signal icon in the status bar and select ‘create network’
This is useful if you are trying to run a project which requires WiFi – like touchOSC – and you are on a restricted network – at a school for example. You make your own network which is separate from the Internet.