Frequency Ranges
41
If your WLAN access point is equipped with an autochannel
function, you can automatically have it search for the WLAN
channel in your frequency range that is subject to the least in-
terference. For more instructions, see the section WLAN
Connection Is Not Established from page 29.
5-GHz Frequency Band
The FRITZ!WLAN USB Stick can operate in the 5-GHz frequen-
cy band as an alternative. This frequency range is used much
less often than the most common 2.4-GHz frequency range.
In the 5-GHz frequency band, channels sometimes may be
changed automatically due to DFS (Dynamic Frequency Selec-
tion) if a “higher-privileged user” simultaneously claims the
channel selected by the access point. This can happen espe-
cially when military or civilian radar is used in the immediate
vicinity. For more information, see the section Avoiding WLAN
Channels with DFS on page 32.
A prerequisite for use of the 5-GHz frequency band is that all
WLAN adapters in the network support this frequency range in
accordance with the IEEE 802.11a or IEEE 8002.11n standard.
Allocation of the WLAN Channels in the 2.4-GHz Range
Channel Frequency (GHz) Channel Frequency (GHz)
1 2.412 8 2.447
2 2.417 9 2.452
3 2.422 10 2.457
4 2.427 11 2.462
5 2.432 12 2.467
6 2.437 13 2.472
72.442
N_man_en.fm Seite 41 Freitag, 27. Mai 2016 2:21 14
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