The 4038 from Ophir RF is a RF Amplifier with Frequency 240 to 272 MHz, Gain 60 dB, Gain Flatness ± 1.0 dB max, Output Power 59 to 60 dBm, Output Power 794.33 to 1000 W. Tags: Benchtop / Rackmount, Power Amplifier. More details for 4038 can be seen below.