User's Guide

quency than) the first 20 MHz while minus (-) indicates that the additional 20 MHz occurs below (at a low-
er frequency than) the first 20 MHz.
Note
Note
Note, the frequency noted is the center frequency of the base 20 MHz channel. HT40 operation (+ or -) is
Note, the frequency noted is the center frequency of the base 20 MHz channel. HT40 operation (+ or -) is
compatible with 802.11b and 802.11g 20 MHz, and 802.11n HT20 modes.
compatible with 802.11b and 802.11g 20 MHz, and 802.11n HT20 modes.
A.2 Radio: 5 GHz 802.11n
Table: 5 GHz 802.11n Radio Channels and Frequencies
Channel Number Center Frequency (MHz) HT40 Capability
36 5180 HT40 +
40 5200 HT40 -
44 5220 HT40 +
48 5240 HT40 -
52 5260 HT40 +
56 5280 HT40 -
60 5300 HT40 +
64 5320 HT40 -
100 5500 HT40 +
104 5520 HT40 -
108 5540 HT40 +
112 5560 HT40 -
116 5580 HT40 +
120 5600 HT40 -
124 5620 HT40 +
128 5640 HT40 -
132 5660 HT40 +
136 5680 HT40 -
140 5700 HT20 only
149 5745 HT40 +
153 5765 HT40 -
157 5785 HT40 +
161 5805 HT40 -
165 5825 HT20 only
The default channel and channel mode for a BreadCrumb 5 GHz 802.11n radio in the US and Canada is
157 (5785 MHz) and HT40+. If a second 5 GHz 802.11n radio is present, its default channel and channel
mode is 149 (5745 MHz) and HT40+. In most European countries, the default channel and mode is 136