What Could Go Wrong - ZyXEL Communications NXC 2500 Handbook

3.1.3 What Could Go Wrong?

1 If the AP does not support dual band, band select does not
work.
2 When the connected station number is greater than stop
threshold station number, the band select stops working.
3 Band Select may potentially cause interruptions for
time-sensitive applications if the client only has 2.4G ability,
like roaming delays.
4 The station connected ratio is approximately the ratio you
select in the SSID profile setting.
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