The 5274 from Ophir RF is a RF Amplifier with Frequency 1 to 3 GHz, Gain 52 dB, Gain Flatness ± 3.0 dB max, Output Power 49 to 50.79 dBm, Output Power 79.43 to 119.95 W. Tags: Benchtop / Rackmount, Power Amplifier. More details for 5274 can be seen below.