tldr; Used as a 4 port wireless switch, initial setup was difficult, works well. I have some old media devices that only have wired network ports, but there is no easy way to connect a network cable from the switch to the device. So I configured it to work as a wireless client, which basically makes it a 4-port wireless switch. The initial configuration was a bit painful, but when I finally got into client mode, it connected to my Ubiquiti AP Lite with no issues. I have two devices connected to it and both can access the network with no problem.
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