Cisco WAP131 Administration Manual page 75

Wireless
Radio
STEP 3
STEP 4
NOTE
Cisco WAP131 and WAP351 Administration Guide
In the Radio Setting Per Interface area, select the radio interface to which the
configuration parameters will be applied.
In the Basic Settings area, configure these parameters for the selected radio
interface:
Local regulations may prohibit the use of certain radio modes. Not all modes are
available in all countries.
• Radio—Turns on or off the radio interface. By default, the radio is off.
• MAC Address—Shows the Media Access Control (MAC) address for the
interface. The MAC address is assigned by the manufacturer and cannot be
changed.
• Mode—Choose the IEEE 802.11 standard and frequency that the radio uses.
The available modes are:
- 802.11a—Only 802.11a clients can connect to the WAP device.
- 802.11b/g—802.11b and 802.11g clients can connect to the WAP
device.
- 802.11a/n—802.11a clients and 802.11n clients operating in the 5-GHz
frequency can connect to the WAP device.
- 802.11b/g/n (default)—802.11b, 802.11g, and 802.11n clients operating
in the 2.4-GHz frequency can connect to the WAP device.
- 5 GHz 802.11n—Only 802.11n clients operating in the 5-GHz frequency
can connect to the WAP device.
- 2.4 GHz 802.11n—Only 802.11n clients operating in the 2.4-GHz
frequency can connect to the WAP device.
• Channel Bandwidth—The 802.11n specification allows a coexisting 20/40
MHz channel in addition to the legacy 20 MHz channel available with other
modes. The 20/40 MHz channel enables higher data rates but leaves fewer
channels available for use by other 2.4 GHz and 5 GHz devices.
By default, when the radio mode includes 802.11n, the channel bandwidth is
set to 20 MHz for 2.4 GHz and 20/40 MHz for 5 GHz.
• Primary Channel (802.11n modes with 20/40 MHz bandwidth only)—A 40
MHz channel can be considered to consist of two 20-MHz channels that are
contiguous in the frequency domain. These two 20-MHz channels are often
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