The 4027 from Ophir RF is a RF Amplifier with Frequency 1.8 to 2 GHz, Gain 55 dB, Gain Flatness ± 0.75 dB max, Output Power 53.01 to 53.8 dBm, Output Power 199.99 to 239.88 W. Tags: Benchtop / Rackmount, Power Amplifier. More details for 4027 can be seen below.