The 5264 from Ophir RF is a RF Amplifier with Frequency 700 MHz to 4.2 GHz, Gain 51 dB, Gain Flatness ± 3.0 dB max, Output Power 47.78 to 50 dBm, Output Power 59.98 to 100 W. Tags: Benchtop / Rackmount, Power Amplifier. More details for 5264 can be seen below.