I have a WAC505 and two WAC510 in my house which is 2200m². floor + basement. I could get away with two access points, but with three I get 300-600 Mbps throughput across the room. Other things being equal, I'd prefer the WAC505 to the WAC510 as it's cheaper. and seems to have about the same performance as AP. The limitations I see with the WAC505 are that it has no router mode and no LAN port. I have chosen to manage my hotspots locally via a web browser interface, which works well. Basic setup is easy, but advanced options are safe to leave at their default settings. It seems that the access point takes some time to register changes and restart if necessary. I would recommend that you update the firmware before doing anything else as there are significant differences between versions. I don't know why, but actually I had to upgrade twice to reach the current version, i.e. 9.0.0.21 from the beginning of October 2020. To my knowledge, one of the most important additional features of the firmware is the load balancing option based on the RSSI client and the option "Force disconnection of connected clients". To my knowledge, these settings allow the access point to reject a client that is trying to connect when its RSSI is below a certain value, and to disconnect a client that is trying to stay connected even when the signal strength of the connected access points is low. and there are access points with stronger signals. This ensures that clients are always connected to the AP with the best signal when roaming. In my setup it seems to work very well. All in all I have nothing but good things to say about both the WAC505 and the similar WAC510.
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