LevelOne WAP-6101 - Manual (Page 42)

8. AP Isolation: If you enabled multiple VAPs in this device, you can further decide
whether the wireless clients associated to different VAPs can access to each other
or not. When you enabled the AP Isolation function, Each VAP is isolated to the
others consequently.
9. TX Rate:
For WiFi transmit rate, you can choose “Best” for auto-adjustment
according to WiFi signal quality in your environment, or you can fix it in certain TX
rate. Please note the WiFi connection may be dropped if you fix at a higher date
rate but in a noisy (poor RF signal quality) environment.
Afterwards, click on “Save” to store your settings or click “Undo” to give up the
changes.