The 4043 from Ophir RF is a RF Amplifier with Frequency 2 to 30 MHz, Gain 60 dB, Gain Flatness ± 2.0 dB max, Output Power 57.78 to 60 dBm, Output Power 599.79 to 1000 W. Tags: Benchtop / Rackmount, Power Amplifier. More details for 4043 can be seen below.