The 4048 from Ophir RF is a RF Amplifier with Frequency 1.2 to 1.45 GHz, Gain 50 dB, Gain Flatness ± 1.0 dB max, Output Power 48.75 to 50 dBm, Output Power 74.99 to 100 W. Tags: Benchtop / Rackmount, Power Amplifier. More details for 4048 can be seen below.