Q: How to set Tx power
1.system_phy_set_max_tpw can be used to set maximum value of RF TX Power.
2. We also recommend you to use flash download tool_V1.2 to do the settings and click GenInitBin to generate esp_init_data_default.bin and then burn it into the spi flash.
LowPowerEn: Set Tx Power for each mode.
BackOffEn: Reduce the same value of Tx power in each mode.
PowerLimiten: Set the limitation of maxium Tx power.
Click GenInitBin to generate default_init_data.bin, and replace default one.