The 4019 from Ophir RF is a RF Amplifier with Frequency 2.5 to 2.7 GHz, Gain 48 dB, Gain Flatness ± 0.75 dB max, Output Power 46.98 to 47.78 dBm, Output Power 49.89 to 59.98 W. Tags: Benchtop / Rackmount, Power Amplifier. More details for 4019 can be seen below.