The 4020 from Ophir RF is a RF Amplifier with Frequency 2.5 to 2.7 GHz, Gain 51 dB, Gain Flatness ± 1.5 dB max, Output Power 50 to 50.61 dBm, Output Power 100 to 115.08 W. Tags: Benchtop / Rackmount, Power Amplifier. More details for 4020 can be seen below.