The PCM5A5EFO from Empower RF is a RF Amplifier with Frequency 2.11 to 2.17 GHz, Small Signal Gain 49 to 51 dB pk-pk, Gain Flatness ±0.75 dB, Input Return Loss -14 dB, Harmonics -45 dBc. Tags: Power Amplifier. More details for PCM5A5EFO can be seen below.