QPA9122M High Linearity Driver Amplifiers Qorvo QPA9122M High Linearity Driver Amplifiers offer 36.5dB gain at 2.6GHz and achieves a peak power of 27dBm P3dB. The QPA9122M has excellent DPD linearity performance with wideband signals of up to 200MHz wide 5G NR signals, ideal for m-MIMO applications.