Wireless LAN—Getting Technical
FRITZ!Box 6490 Cable
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IEEE 802.11ac
This standard provides for transmission rates in the gigabit
range. The high throughput rates are achieved using wider
wireless LAN channels, deeper modulation and more MIMO
streams. Channels can be 20, 40, or 80 MHz wide. Modula-
tions of up to 8 bit/256QAM are applied. The standard uses
only the 5-GHz range, which reduces interference with other
users.
This standard is compatible with the 802.11a and 802.11n
standards, which means it can be used with older wireless
devices.
The FRITZ!Box 6490 Cable has a second access point respon-
sible for the 2.4-GHz range. This allows wireless devices com-
patible with the 802.11b/g/n to be used as well.
Setting the Right Standard in the FRITZ!Box
The throughput rate that can be achieved in your wireless ra-
dio network depends on the wireless standards used by the
integrated wireless devices. These wireless standards must
also be set in the FRITZ!Box. Proceed as follows to check
which wireless LAN standards are set and change them if
needed:
1.
Open the FRITZ!Box user interface; see
.
2.
Enable the advanced view.
3.
Open “WLAN / Radio Channel” and select which wireless
LAN standards should be used for both frequency
bands.
Note the following for the configuration of this setting:
•
Your FRITZ!Box 6490 Cable can make two wireless net-
works available simultaneously for data transmission.
One of the wireless radio networks works in the 2.4-GHz
frequency band, and the other in the 5-GHz frequency
The use of the 802.11ac standard—and thus the availability
of higher throughput rates—is possible only if the wireless
LAN connection is secured using the WPA2 security mecha-
nism (AES-CCMP).
