The 9400/93700-J18K27 from Quarterwave Corporation is a RF Amplifier with Frequency 18 to 26.5 GHz, Noise Figure 40 dB, Peak Power 0.005 kW, Spurious 50 to 55 dBc, AC Voltage 120 to 240 V. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier. More details for 9400/93700-J18K27 can be seen below.