The 5273 from Ophir RF is a RF Amplifier with Frequency 1 to 3 GHz, Gain 49 dB, Gain Flatness ± 3.0 dB max, Output Power 46.532 to 48.45 dBm, Output Power 45 to 69.98 W. Tags: Benchtop / Rackmount, Power Amplifier. More details for 5273 can be seen below.