For anyone that may stumble across this because you cannot get your GEN 3 devices to consistently connect to a Ubiquiti Unifi WiFi 2.4 GHz network…
Disable the “BSS Transition - Allow BSS Transition with WNM” option on your WiFi network.
On Unifi Controller V6.2.26:
- Click the Gear Icon from the left NAV
- Select “WIFI” from the next navigation group.
- Select the network you are trying to connect to from the right pane and expand the “Advanced” options.
- I disabled all advanced options as they are not necessary for IoT but make sure the “BSS Transition - Allow BSS Transition with WNM” option is definitely disabled.
Save your changes and reconnect your GEN 3 device to the WiFi network.
I have a mix of Photons and Argons in my environment. Some clients are using Unifi and some are not. Those clients using Unifi WiFi I was unable to consistently get GEN 3 devices to connect to (Photons are not affected by this issue apparently). After some digging I found the article on the Unifi Community below. I disabled the BSS Transition option and connections have been rock solid (for now).
Hope this helps someone!