Banana Pi R3 real WiFi Tx power

Short and to the point: I have a power limitation on 29 dBm for 2.4 GHz and 27 dBm on 5 GHz, OpenWRT 23.05.2. I can not hit 30 dBm in any country code.

There is OK? This are the maximuns of wifi Tx?

Any enlightening comments are appreciated.