The 5104 from Ophir RF is a RF Amplifier with Frequency 30 to 400 MHz, Gain 51 dB, Gain Flatness ± 2.0 dB max, Output Power 47.78 to 50 dBm, Output Power 59.98 to 100 W. Tags: Benchtop / Rackmount, Power Amplifier. More details for 5104 can be seen below.