The 9400/94700-E20H80 from Quarterwave Corporation is a RF Amplifier with Frequency 2 to 8 GHz, Gain 55 dB, Peak Power 0.05 kW, Spurious 50 to 55 dBc, AC Voltage 120 to 240 V. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier. More details for 9400/94700-E20H80 can be seen below.