Operating Instructions and Installation Instructions

FRITZ!Box 3390 88
Wireless LAN—Getting Technical
An unused frequency band can be disabled in the FRITZ!Box
in order to reduce energy consumption without losing wire-
less LAN connections.
11n, 11g, 11b
In your radio network there are only wireless devices compatible
with one or all of the following standards:
• 802.11n
• 802.11g
• 802.11b
In this case set the wireless LAN standard for the 2.4-GHz frequency
band to: 802.11n+g+b
11n, 11a
In your radio network there are only wireless devices compatible
with one or both of the following standards:
• 802.11n
• 802.11a
Set the following mode in the FRITZ!Box: 802.11n+a
The FRITZ!Box transmits with this setting in the 5-GHz frequency
band.