The 4034 from Ophir RF is a RF Amplifier with Frequency 400 to 450 MHz, Gain 55 dB, Gain Flatness ± 1.0 dB max, Output Power 51.76 to 53.98 dBm, Output Power 149.97 to 250.03 W. Tags: Benchtop / Rackmount, Power Amplifier. More details for 4034 can be seen below.