When Customer try to configure the 5G radio frequency in the AR109w but the following issue apear.
[AR109W]interface Wlan-Radio0/0/0
[AR109W-Wlan-Radio0/0/0]radio-?
radio-profile Radio profile
[AR109W-Wlan-Radio0/0/0]radio-frecuency 5g
^
Error: Unrecognized command found at '^' position.
[AR109W-Wlan-Radio0/0/0]radio-frecuency 5
^
Error: Unrecognized command found at '^' position.
[AR109W-Wlan-Radio0/0/0]
That happened because the AR109W can not support 5G frequency.