The 9820/95300-G40H80 from Quarterwave Corporation is a RF Amplifier with Frequency 4 to 8 GHz, Gain 45 dB, Noise Figure 22 dB, Spurious -60 to -55 dBc, AC Voltage 240 V. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier. More details for 9820/95300-G40H80 can be seen below.