The amplifier configuration and power setting that produce an output power.
deviceSel: 0 for the SX1262 and the LLCC68, 1 for the SX1261.
hpMax, the size of the SX1262 amplifier; no effect on the SX1261.
paDutyCycle, the conduction angle of the amplifier.
paLut, reserved and always 1.
The power byte of SetTxParams, in dBm.
The amplifier configuration and power setting that produce an output power.