The 5275 from Ophir RF is a RF Amplifier with Frequency 800 MHz to 3 GHz, Gain 54 dB, Gain Flatness ± 2.5 dB max, Output Power 51.761 to 53.62 dBm, Output Power 150 to 230.14 W. Tags: Benchtop / Rackmount, Power Amplifier. More details for 5275 can be seen below.