The 9400/94600-J12J18 from Quarterwave Corporation is a RF Amplifier with Frequency 12 to 18 GHz, Gain 55 dB, Peak Power 0.04 kW, Spurious 50 to 55 dBc, AC Voltage 120 to 240 V. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier. More details for 9400/94600-J12J18 can be seen below.