The 5021 from Ophir RF is a RF Amplifier with Frequency 500 MHz to 1 GHz, Gain 56 dB, Gain Flatness ± 2.0 dB max with no ALC, ± 1 dB max with ALC, Output Power 51.76 to 54.77 dBm, Output Power 149.97 to 299.92 W. Tags: Power Amplifier. More details for 5021 can be seen below.