The APMN and APXN can use either 2.4 or 5 GHz bands/radios. This is determined by which channel is selected (1-14 2.4GHz, 34-196 5GHz)
Usage: wl-chan [Integer]an ?
Configures the wireless interface channel number.
The channel number is only applicable in AdHoc or Access Point mode. Some
channels are restricted in certain countries. OEMs must use only
Channel range is 1 - 14 for 802.11b/g, 34 - 196 for 802.11a.
Default is 1.