The 5124A from Ophir RF is a RF Amplifier with Frequency 5 MHz to 1 GHz, Gain 43 dB, Gain Flatness ± 2.25 dB max, Output Power 36.99 to 41.76 dBm, Output Power 5 to 15 W. Tags: Benchtop / Rackmount, Power Amplifier. More details for 5124A can be seen below.