Instructions for using OS X's Wi-Fi channel scanning feature Picture 2
Step 3 : In the window that appears, select " Continue " and enter Passwold of the device.
Instructions for using OS X's Wi-Fi channel scanning feature Picture 3
Step 4 : At Menu bar of " Wireless Diagnostics ", click " scan " on the " Window " tab as shown below
Instructions for using OS X's Wi-Fi channel scanning feature Picture 4
Step 5 : After " Scan ", " Wireless Dianostics " will show the user a list of connections around with some outstanding information. Of course the tool also displays good connection channels that users can use in this area.
Instructions for using OS X's Wi-Fi channel scanning feature Picture 5
You just need to install your Wi-Fi transmitter so that it overlaps the Channel with the suggestion of " Wireless Dianostics ". Your Wi-Fi connection will be more optimized, improve speed somewhat and avoid unnecessary mistakes.
Good luck.