The 5083 from Ophir RF is a RF Amplifier with Frequency 200 to 500 MHz, Gain 54 dB, Gain Flatness ± 1.5 dB max, Output Power 50.97 to 53.01 dBm, Output Power 125.03 to 199.99 W. Tags: Benchtop / Rackmount, Power Amplifier. More details for 5083 can be seen below.