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2. Modify the fields as needed, using the information in the following table.
3. Click Apply/Save to commit your changes.
Field Name Description
Band The only option for this field is the band selected in the left menu.
Channel Select the Wi-Fi channel you want to use. The current channel number displays to the right of the
field. For the 5GHz band, options are Auto and 36 through 157. For the 2.4GHz band, options are
Auto and 1 - 7. The default is Auto.
All devices in your wireless network must use the same channel in order to work correctly.
Auto Channel Timer
(min)
Enter the frequency (in minutes) at which the gateway scans channels for interference. If a
threshold of inference is detected, a new channel will be selected automatically. Options are 0 -
65535 minutes. The default is 15 minutes.
802.11n/EWC Select whether to enable this standard. Options are Auto and Disabled. The default is Auto.
For detailed information about this standard, refer to IEEE 802.11n Draft 2.0.
Bandwidth Select the operating bandwidth. Options are 20 MHzand 40 MHz. The default is 40MHz. The current
bandwidth setting displays to the right of the field.
Control Sideband Select whether to use the lower or upper bands. Options are Lower and Upper. The default is
Lower.
802.11n rate Select the desired physical transmission rate. The rate of data transmission should be set depending
on the speed of your wireless network. You can select from a range of transmission speeds (0 - 15),
select Use 54g Rate, or select Auto to have the gateway automatically use the fastest possible data
rate and enable the Auto-Fallback feature. Auto-Fallback will negotiate the best possible con-
nection speed between the gateway and a wireless client. The default is Auto.
802.11n protection Select whether to enable 802.11n and legacy clients to both work effectively on the network.
Options are:
l Auto: Provides maximum security but produces a noticeable impact on throughput. With this
option, RTS/CTS behavior permits legacy clients to become aware of 802.11n transmit times,
but decreases overall throughput. This is the default.
l Off: Provides better throughput.
Support 802.11n client
only
Select whether to restrict 802.11b/g clients from accessing the gateway. Options are On and Off. The
default is Off.
RIFS Advertisement RIFS (Reduced InterFrame Speed) is the time in micro seconds by which the multiple transmissions
from a single station is separated. This option Improves performance by reducing dead time required
between OFDM transmission. Options are Auto and Off. The default is Auto.
OBSS Co-Existence Coexistence of Overlapping Basic Service Sets (OBSS) prevents overlapping in the 20 MHz and 40 MHz
frequencies. Options are:
l Enable: The gateway automatically reverts to 20 MHz channel bandwidth when another WiFi
network within 2 channels of its own channel is detected or when a client device with its 40
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