The 9114/96606 E20F40 from Quarterwave Corporation is a RF Amplifier with Frequency 2 to 4 GHz, Peak Power 4 kW, Spurious 55 to 65 dBc, AC Voltage 105 to 125 V, Operating Temperature 0 to 50 Degree C. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier. More details for 9114/96606 E20F40 can be seen below.