Draytek Vigor2132 Series User Manual page 359

Channel
Hide SSID
For 5 GHz: At present, the router can connect to 11a Only,
11n Only(5 GHz), Mixed (11a+11n), and Mixed
(11a+11n+11ac) stations simultaneously. Simply choose
Mixed (11a+11n+11ac) mode.
In which, 802.11b/g operates on 2.4GHz band, 802.11a
operates on 5GHz band, 802.11n operates on either 2.4GHz
or 5GHz band, and 802.11ac operates on 5GHz band only.
Means the channel of frequency of the wireless LAN. The
default channel for 802.11n and 802.11ac are different. You
may switch channel if the selected channel is under serious
interference. If you have no idea of choosing the frequency,
please select Auto to let system determine for you.
Below shows an example of channel selection for 802.11n
(2.4GHz).
Check it to prevent from wireless sniffing and make it
harder for unauthorized clients or STAs to join your
wireless LAN. Depending on the wireless utility, the user
may only see the information except SSID or just cannot
see any thing about Vigor wireless router while site
surveying. The system allows you to set four sets of SSID
for different usage. In default, the first set of SSID will be
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Vigor2132 Series User's Guide