(You may have to scroll down.) Click the printer or scanner in the Printers list on the right, then click Open Scanner. Choose Apple menu > System Settings, then click Printers & Scanners in the sidebar. If yo’re in a situation where there’s just too much traffic, it’s better to put a second WAP (Like a WiFi extender) closer to where you use your devices. Open your scanner Connect your scanner to your Mac, plug it in, and turn it on. Let your WAP (aka your “router”) handle the channel selection. Yes, you can actually make the problem worse! The problem with selecting your own channel is that the WAP won’t automatically switch to another when the one it’s manually configured to use becomes saturated with traffic. So, what you “capture” today and determine what’s the best channel now might change the next day or even later that afternoon! 2 Wireless Diagnostics integrated into macOS is a handy WiFi analyzer tool. Bluetooth devices, wireless peripherals, our phones and devices are all crowding the airwaves. Best WiFi Channel Scanner Mac Computer Solutions 1 NetSpot is both an excellent WiFi channel scanner app and a WiFi survey tool. Modern WAPs (wireless access point) auto select the best channel for you based on existing traffic and this can change continually given the explosion of wireless devices which we are using every day.

Unless you’re using a 10+ year old WiFi router that doesn’t handle automatic channel switching well, there’s no need to do this. Trying to find which channel to use is pointless nowadays. There are many apps that you can use from the built in Network Diagnostics to commercial grade WiFi mapping and analyzers.

Mac os wifi channel scanner