Installation Guide

Table Of Contents
Draft 1A - CISCO CONFIDENTIAL
D-2
Cisco Aironet 1240AG Series Access Point Hardware Installation Guide
OL-7293-01
Appendix D Channels and Power Levels
Channels and Maximum Power Levels
Channels and Maximum Power Levels
IEEE 802.11b/g (2.4-GHz Band)
An improper combination of power level and antenna gain can result in equivalent isotropic radiated
power (EIRP) above the amount allowed per regulatory domain. Table D-1and Table D-2 indicates the
channel identifiers, channel center frequencies, and maximum power levels for each channel allowed by
the regulatory domains:
.
Table D-1 Channels and Maximum Conducted Power for the 802.11b/g Radio with up to 10 dBi Antennas
Channel
Identifier
Center
Frequency
(MHz)
Maximum Conducted Power Levels (dBm) in the Regulatory Domains
Americas
(–A)
China
1
(–C)
1. Indicates the power level settings shipped from the factory. You might need to reset the maximum power levels used with your external antenna (see
Table D-4).
EMEA
1
(–E)
Japan
(–J)
Japan
(–P)
CCK OFDM CCK OFDM CCK OFDM CCK OFDM CCK OFDM
1 2412 20171717171714141414
2 2417 20171717171714141414
3 2422 20171717171714141414
4 2427 20171717171714141414
5 2432 20171717171714141414
6 2437 20171717171714141414
7 2442 20171717171714141414
8 2447 20171717171714141414
9 2452 20171717171714141414
10 2457 20 17 17 17 17 17 14 14 14 14
11 2462 20 17 17 17 17 17 14 14 14 14
12 2467 17 17 17 17 14 14 14 14
13 2472 17 17 17 17 14 14 14 14
14 2484 14 14