HAP AX2 (2472 Channel on 2.4Ghz)

RouterOS Wireless Networking
1

Dear Mikrotik Community,

I am trying to find a way to unleash the 2.4ghz txpower of my HAP AX2 latest router OS installed and using 2472 frequency.
The far I could reach is 18 Txpower using Japan or South Korea as a country.
Did someone ever could achieve at least 20 txpower using this frequency ?
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2

On my Audience, Brazil is allowed up to 30dBm EIRP on 2.4GHz band. ROS 7.13.2

AP will substract antenna gain from that (upward rounded to 5dBi). Which seems to be consistent with what you see (Japan allows 23dBm EIRP).