R1D2 wrote You have to add the antenna gain to get the total radio emission power. I.e. 11 dBm TX power + 9 dBi antenna gain equals 20 dBm EIRP. That's what is allowed at maximum by the regulatory...

Please. Its possible use firmware V2 in CPE210 EU. Now i have only 11 dbm and i would to have the possibility to work with 27dbm, Many thanks.