The transmission power of the hardware is to be set in accordance with the legal regulations in your country. For Germany and the EU for 2.4 GHz wireless devices with antenna a maximum EIRP of 100mW or 20dBm as limit. Please use the device in Germany only with the countries Zone ETSI or the regional setting for Germany to ensure compliance with the limits. The operation of a signal amplifier (for example antenna) is possible and also allowed, however, in combination with this the max. transmission power must not be exceeded.