The 3871AD from Ceyear is a RF Amplifier with Frequency 9 KHz to 250 MHz, Gain 54 dB, Gain Flatness ±3 dB, Output Power 50 to 51 dBm, Output Power 100 to 125.89 W. Tags: Benchtop / Rackmount, Power Amplifier. More details for 3871AD can be seen below.