6-12
Cisco IOS Software Configuration Guide for Cisco Aironet Access Points
OL-14209-01
Chapter 6 Configuring Radio Settings
Configuring Radio Transmit Power
Step 5 In the Wireless LAN Access section, choose the device you are working with. An introduction page for
the device appears.
Step 6 In the Install and Upgrade section, choose Install and Upgrade Guides. The Install and Upgrade Guides
page for the device appears.
Step 7 Choose the hardware installation guide for the device. The home page for the guide appears.
Step 8 In the left frame, click Channels and Antenna Settings.
Table 6-3 shows the relationship between mW and dBm.
Table 6-3 Translation between mW and dBm
Beginning in privileged EXEC mode, follow these steps to set the transmit power on access point radios:
dBm -1256789101112131415161718192021222324
mW 123456810121520253040506080100125150200250
Command Purpose
Step 1
configure terminal Enter global configuration mode.
Step 2
interface dot11radio { 0 | 1slot/port
}
Enter interface configuration mode for the radio interface.
The 2.4-GHz radio is radio 0, and the 5-GHz radio is radio 1.
The 2.4-GHz 802.11n radio is 0, and the 5-GHz 802.11n radio
is 1
Step 3
power local
These options are available for the
802.11b, 2.4-GHz radio (in mW):
{ 1 | 5 | 20 | 30 | 50 | 100 | maximum }
These options are available for the
5-GHz radio (in mW):
{ 5 | 10 | 20 | 40 | maximum }
These options are available for the
802.11a, 5-GHz radio (in dBm):
{-1 | 2 | 5 | 8 | 11 | 14 | 15 | 17 |
maximum }
These options are available for the
AIR-RM21A 5-GHz radio (in dBm):
{ -1 | 2 | 5 | 8 | 11 | 14 | 16 | 17 | 20 |
maximum }
These options are available for the
2.4-GHz 802.11n radio (in dBM):
{ -1 | 2 | 5 | 8 | 11 | 14 | 17 | 20| 23 |
maximum }
Set the transmit power for the 802.11b, 2.4-GHz radio or the
5-GHz radio to one of the power levels allowed in your
regulatory domain.
Note See the hardware installation guide for your access
point to determine the power settings for your
regulatory domain.
“Power local for 802.11b -
please remove. No such command, e.g.
power local {1 | 5 | ....}” - Tania Chen
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