To access the full power of +10 dBm, the rfPower Authorization Key has to be activated. Without the rfPower Key the power range is limited to +3 dBm.
The previous text is in English. Here is a translation to Czech: Nastavitelný výkon je omezen na +3 dBm bez použití autorizačního klíče RAy10-PWR-10. S klíčem je možno volit až +10 dBm.