How to "unlock" outdoor channels for 5 GHz on Archer C7.v2?

I am going to use rugged versions of the Archer C7.v2 outdoor.
I've just found that the outdoor channels for my region (EU) aren't available.
Is this a hw limitation (I don't think so) or is it sw?
If so, is there a way to unlock them?
TIA.

Did you set the Country Code in Luci under Network -> Wireless -> radio0 -> Edit -> Advanced Settings tab ?

There could be a hardware limitation if your router incorporate regulatory restriction in the ART partition.

Using SSH, this will show you what channels are supported (I am under the impression that the output will be derived from the software Country Code thought):

iw list | grep dBm
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My "available channels" are:

root@N0A-GW0:~# iw list | grep dBm
                        * 2412 MHz [1] (20.0 dBm)
                        * 2417 MHz [2] (20.0 dBm)
                        * 2422 MHz [3] (20.0 dBm)
                        * 2427 MHz [4] (20.0 dBm)
                        * 2432 MHz [5] (20.0 dBm)
                        * 2437 MHz [6] (20.0 dBm)
                        * 2442 MHz [7] (20.0 dBm)
                        * 2447 MHz [8] (20.0 dBm)
                        * 2452 MHz [9] (20.0 dBm)
                        * 2457 MHz [10] (20.0 dBm)
                        * 2462 MHz [11] (20.0 dBm)
                        * 2467 MHz [12] (20.0 dBm)
                        * 2472 MHz [13] (20.0 dBm)
                        * 5180 MHz [36] (20.0 dBm)
                        * 5200 MHz [40] (20.0 dBm)
                        * 5220 MHz [44] (20.0 dBm)
                        * 5240 MHz [48] (20.0 dBm)
                        * 5260 MHz [52] (20.0 dBm) (radar detection)
                        * 5280 MHz [56] (20.0 dBm) (radar detection)
                        * 5300 MHz [60] (20.0 dBm) (radar detection)
                        * 5320 MHz [64] (20.0 dBm) (radar detection)
                        * 5500 MHz [100] (27.0 dBm) (radar detection)
                        * 5520 MHz [104] (27.0 dBm) (radar detection)
                        * 5540 MHz [108] (27.0 dBm) (radar detection)
                        * 5560 MHz [112] (27.0 dBm) (radar detection)
                        * 5580 MHz [116] (27.0 dBm) (radar detection)
                        * 5600 MHz [120] (27.0 dBm) (radar detection)
                        * 5620 MHz [124] (27.0 dBm) (radar detection)
                        * 5640 MHz [128] (27.0 dBm) (radar detection)
                        * 5660 MHz [132] (27.0 dBm) (radar detection)
                        * 5680 MHz [136] (27.0 dBm) (radar detection)
                        * 5700 MHz [140] (27.0 dBm) (radar detection)

Those seem to be almost all possible 5GHz channels.
And, yes, the Wireless-->radio0.network1-->Advanced Settnigs-->Country code was set wrong.
Now it seems to be OK.
Thanks.