The dB-3860 from dB Control is a RF Amplifier with Frequency 34.5 to 35.5 GHz, Gain 60 dB, Harmonics -30 dBc, Spurious -50 dBc, AC Voltage 220 VAC. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier. More details for dB-3860 can be seen below.